Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
In the future, smart cars will also (A) be intelligent enough (B) to avoid pedestrians bicycle riders (C) and others whom (D) are not driving automobiles
A. also
B. enough
C. bicycle riders
D. whom
Đáp án : D
“whom” -> “who”, ở đây thay thế cho “others” nên dùng luôn “who”, “whom” dùng để thay thế cho tân ngữ trong câu