Tom’s mother bought quite a lot of things online but spent only $20 .
A. in order
B. in a word
C. in all
D. in conclusion
网友回答
A. in order
B. in a word
(答案→)C. in all
D. in conclusion
解析：考查词组辨析。A表有秩序 B.总之，简言之；C总之，总共，总体来说；D总之，表结论
句意：Tom的妈妈在网上买了很多的东西，但是总共就花费了20元。