C. wouldn't还有一个地方打错了,tride应该是tried。首先,时态:一般过去时,排除A其次,情态动词will或者would有“经过努力,可是出乎意料”之意。
答案错了,我也认为是d
D
c是正确的,在讲到一种工具是否正常运转或不运转时,有两种用法: don't/doesn't work或者won't work