Question

--Hi, Tracy, you look tired.
--I am tired. I________ the living-room all day.

A．painted	B．have been painting
C．had painted	D．have painted

Answer 1

B

本题是对动词时态的考查。解此题的关键是抓住答语中的aⅡday，而D项只表示动作已经完成，没有强调一直做。