题目：
David and Jack, _____so much alike each other, were often considered _____ twin brothers.
A．looking; to be
B．looking; being
C．looked; to be
D．being looked; being
答案：
答案：A
考查固定搭配。be considered to do sth.“被认为......”，排除B、D；David and Jack和look之间是主谓关系，应该用现在分词。故选A。
