题目：
_______ China implements (实施) its control over the disputed regions, can its sovereignty
and interests be defended.[ ]
A. If only
B. Even if
C. Only if
D. As if
答案：
答案：C
_______ China implements (实施) its control over the disputed regions, can its sovereignty
and interests be defended.[ ]
A. If only
B. Even if
C. Only if
D. As if
答案：C
