you will see to ______the engine does not get out of order

题目

you will see to ______the engine does not get out of order
a that
b however
c it that
d which

答案

选C
分析：
观察后半句,句子成分完整,说明后半句是用于补充说明前半句的.
若选择A,则主句缺少宾语,整句成分不完整
选项B,“然而”,后半句为前半句的补充,故不能选择表示转折的however
选项D,则主句同样缺少宾语,整句成分不完整
选择C,it指代这种情况或状态,that引导的从句做it的同位语,整句翻译：
你将去料理（解决）发动机失控的情况.