问题
选择题
It is selfish _____ him _____ the people in trouble. [ ]
A. for, to help
B. for; not help
C. of; to help
D. of; not to help
答案
答案：D
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It is selfish _____ him _____ the people in trouble. [ ]
A. for, to help
B. for; not help
C. of; to help
D. of; not to help
答案：D