Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
When posed with a complicated mathematical equation, some students seek the assistance of a teacher.
A. solved
B. presented
C. informed
D. spaced
Chọn B
A. đã giải quyết
B. đưa ra
C. thông báo
D. khoảng cách