Mr. Zhang insisted on _________ abroad for further study.

Mr. Zhang insisted on _________ abroad for further study.
A、sending
B、be sent
C、being sent
D、send
【正确答案】：C
【题目解析】：insist on doing sth 坚持做某事，Mr Zhang 与send 为被动关系，因此要使用被动语态，答案选C