do more than merely 后面动词应该是原型还是ing

题目

do more than merely 后面动词应该是原型还是ing
看这句 Degler does more than merely summarizing existing research; he constructs a coherent picture of two centuries of studies dealing with the changing roles of women.
答案说这句话不对 summarizing应该改为summarize 因为do summarize有表示强调的意思

答案

GMAT的论坛上也有好多人在讨论这道题的答案.有一种比较有说服力的看法是：more than是一种比较,比较的对象应该保持一致,所以不能用ing形式.你的答案说do summarize表示强调,我不同意这种说法.do加动词原型表示强调的...