He stayed up too late every night, to catch up with his classmates.
A. Having determined
B. being determined
C. determined
D. to determine
网友回答
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。