“I must see the headmaster!” he cried.

Câu hỏi: Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
"I must see the headmaster!" he cried.
A. He insisted to see the headmaster.
B. He insisted in seeing the headmaster
C. He insisted on seeing the headmaster.
D. He insisted to must see the headmaster.