Chinawillstayfirmly

問題詳情：

 China will stay firmly _______ to strengthening its own nuclear security capability, ________ the government’s regulatory capacity and ______ investments in relevant technological development and human resources.  

A. committed; enhance; increase      B. committing; enhanced; increasing

C. committing; enhance; increase       D. committed; enhancing; increasing

【回答】

D

知識點：非謂語動詞

題型：選擇題