--- What about inviting Mary to our party?
--- You’d better not. She prefers to be , so far as I know.
A. tested out
B. rung up
C. left alone
D. turned around
网友回答
A. tested out
B. rung up
(答案→)C. left alone
D. turned around
解析:考查词组:test out 考验;ring up 打电话给;leave...alone在此题中意为“让……一个人待着”,符合语境。turn around 转向,回转。句意:--邀请玛丽参加我们的聚会怎样?--最好不要,据我所知,她宁愿一个人待着。选C。