l'll return the pen ( )you soon A:back to B:back form C to Dform

l'll return the pen ( )you soon A:back to B:back form C to Dform

c
return.to.固定搭配

答案C
return sth. to sb. 把某物归还给某人

C
return to = give back to“返还”

C
return sth. to sb. 就等于give sth. back .to sb.
意思事吧某物归还给某人.