Official Solution:Soul music first rose to prominence in the United States in the 1960s, when artists were combining subtle African rhythms with gospel harmonies and themes, as well as influences from the newly emergent genre of rock-and-roll.A. when artists were combining
B. during which many artists were combining
C. at which point artists began to combine
D. when artists began to combine
E. when artists who began to combine
The content of the sentence concerns a point in time when soul music first became popular, making the use of the word
began and simple past tense necessary.
A. The use of past progressive tense in this option makes it sound as if the activities described in the sentence continued throughout the 1960s; the option does not correctly discuss a starting point for soul music.
B.
During which is redundant and unnecessary.
C. The phrase
at which point is wordy and unnecessary.
D. This option correctly identifies the need to use simple past tense to identify a specific point in time when soul music began to be popular.
E. The word
who in the option makes the sentence incomplete.
Answer: D