Why not the word in a dictionary ?
A. consider looking up
B. consider looking at
C. consider looking for
D. to consider to look up
网友回答
(答案→)A. consider looking up
B. consider looking at
C. consider looking for
D. to consider to look up
解析：Why not do sth为什么不做某事。Consider后面一般接动名词作宾语，look up仰望，查阅；look at看；look for寻找。句意：为什么不在词典中查阅这个单词？故选A。