(​) it is wise to invest in the new project is being discussed.
(​) it is wise to invest in the new project is being discussed.
A、Whether
B、If
C、Weather
D、What
【正确答案】:A
【题目解析】:句意:大家正在讨论投资这项新产品是否为明智之举。主语从句中不缺少任何成分,所以不能用what,选项中能引导主语从句的就只有whether。
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