Of the following, the word "（ ）" has a verb suffix.
A、homewards
B、persistence
C、solidify
D、clockwise
【正确答案】：C
【题目解析】：本题考查动词后缀。-en, -ify, -ize这些都是动词后缀。只有C选项中solidify（凝固）包含-ify。A选项homewards——回家；B选项persistence——坚持不懈；D选项clockwise——顺时针方向的。所以ABD三个选项都不包含动词后缀。故选C。
