He stayed up too late every night to catch up with his classmates.A. Having determined B.

问题补充：

He stayed up too late every night, to catch up with his classmates.

A. Having determined

B. being determined

C. determined

D. to determine

答案：

A. Having determined

B. being determined

(答案→)C. determined

D. to determine

解析：本题考查determined的用法。句意：决心要赶上他的同学，他每天晚上都熬夜到很晚。be determined to do sth决心做某事。此处形容词作状语，说明主语的状态。