【题目】________ to catch up with others, the boy was working hard.
A.To determine
B.Determining
C.Determined
D.To be determined

【答案】C
【解析】考查非谓语动词。句意：决心赶上其他人，这个男孩努力工作。be determined to do sth.“下决心去做某事”，此处是过去分词作状语，故选C。