the meeting himself gave them a great deal of encouragement.
A. The president will attend
B. The president to attend
C. That the president attended
D. The president attending
网友回答
A. The president will attend
B. The president to attend
(答案→)C. That the president attended
D. The president attending
解析：句意：总统亲自出席会议给了他们很多的鼓励。这句话使用主语从句，that引导主语从句的时候，that不能省略，所以A不对，也可以用动名词的复合结构在句中作主语，B也不对，句中“the president's”为名词所有格充当动名词 “attending”的逻辑主语。所以D也错了，所以选C。