问题
选择题
Crusoe had to stay in cave, ___ go out, even for food.
A．daring not to
B．not daring to
C．not daring
D．daring not
答案
答案：B
考查非谓语动词，dare在这里是实意动词，dare to do 敢做某事，句意：Crusoe不得不留在山洞里，甚至为了食物，不敢出去。用现在分词作伴随状语，否定式在分词前加not，所以选B。
