下更各组词语中，有错别字的一组是

A．扭怩/扭捏交接/交结急风暴雨/疾风劲草

B．姻缘/因缘机遇/际遇促膝谈心/抵足谈心

C．口型/口形飘荡/漂荡轻歌曼舞/清歌妙舞

D．意想/臆想定势/定式唾手可得/垂手而得

We shouldn't do _____ at the table through the whole day, and we need to do more _____ if we have

time to keep healthy. [ ]

A. exercise; exercises

B. exercises; exercises

C. exercise; exercise  

D. exercises; exercise