—Can I help you, Madam?
— No, thanks. I .
A. have just looked around
B. just look around
C. just looked around
D. am just looking around
网友回答
A. have just looked around
B. just look around
C. just looked around
(答案→)D. am just looking around
解析：此处用I am just looking around表示我只是正在随便看看，just可以和现在进行时连用，表示只是怎么怎么样。