The 19-year-old pianist and composer performed his most recent work all over Europe, Asia, and North America last year, winning prestigious awards in both London as well as Tokyo for his achievement at so young an age, and he is hoping to continue composing now that he has returned to Chicago.
A. winning prestigious awards in both London as well as Tokyo for his achievement at so young an age, and he is hoping
B. winning prestigious awards both in London and Tokyo for his achievement at such a young age, and hoping
C. having won prestigious awards both in London and Tokyo for his achievement at so young an age, hoping
D. winning prestigious awards in both London and Tokyo for his achievement at such a young age, and he hopes
E. having won prestigious awards both in London as well as Tokyo for his achievement at so young an age, and he hopes
In-depth Explanation and Correct Answer Below (so you don’t see it while reviewing the question)
The 19-year-old pianist and composer performed… Explanation
(A) winning prestigious awards in both London as well as Tokyo for his achievement at so young an age, and he is hoping
Both X and Y.
(B) winning prestigious awards both in London and Tokyo for his achievement at such a young age, and hoping
If you have in London you need in Tokyo.
Correct:
Both in X and in Y
In both X and Y
Incorrect:
In both X and in Y
Both in X and Y
Also, parallelism is off. He performed. He hoping. The second one doesn’t work. “And hoping…” should be an independent clause (joined by the conjunction, “and”).
(C) having won prestigious awards both in London and Tokyo for his achievement at so young an age, hoping
If you have in London you need in Tokyo.
Correct:
Both in X and in Y
In both X and Y
Incorrect:
In both X and in Y
Both in X and Y
(D) winning prestigious awards in both London and Tokyo for his achievement at such a young age, and he hopes
The pianist performed all over and hopes to continue.
(E) having won prestigious awards both in London as well as Tokyo for his achievement at so young an age, and he hopes
If you have in London you need in Tokyo.
Correct:
Both in X and in Y
In both X and Y
Incorrect:
In both X and in Y
Both in X and Y
Correct Answer: D
For some SC guidance, here’s a link to a breakdown of GMAT sentence correction.