Question

— I called you yesterday but no one answered.
— Well, Maybe I         in the garden at that time.

A．worked

B．a(chǎn)m working

C．was working

D．would work

Answer 1

C

考察時(shí)態(tài)。句意：我昨天給你打電話了，但是沒(méi)人接�！�—哦，可能那個(gè)時(shí)候我正在花園里面忙。結(jié)合語(yǔ)境可知下文，描述的是過(guò)去某時(shí)正在進(jìn)行的動(dòng)作，故用過(guò)去進(jìn)行時(shí)態(tài)。at that time是過(guò)去進(jìn)行時(shí)的標(biāo)志。選C。