Question

－Hi, Tracy, you look tired．

－I am tired．I ________ the living room all day．

[　　]

A．painted

B．had painted

C．have been painting

D．have painted

Answer 1

答案：C
解析：

该句语境表明过去刷房子的动作影响到了现在，所以答案应为C或D项，而现在完成进行时则强调动作从过去一直延续到现在。