On arriving at the gate of the college,my heart started to b
On arriving at the gate of the college,my heart started to beat fast as if it_______out of my mouth.
A.would leap B.had leaped C.should leap
首先可以知道是虚拟语气.由于是as if 引导的含蓄虚拟语气,且是“started”,那么是对过去的虚拟,则不应该是用had done 答案上说对现在的虚拟,那么也应该是did啊,除非是对将来的虚拟才可能是would/should/could/might+do