He was determined not to be the first it.A. sayB. sayingC. to sayD. says

问题补充：

He was determined not to be the first it.

A. say

B. saying

C. to say

D. says

答案：

A. say

B. saying

(答案→)C. to say

D. says

解析：名词或代词前被序数词修饰或形容词的最高级修饰时，应用不定式作定语。句意：他决定不作为第一个说出那件事的人。故选C。