Question

—I guess you can buy such a smart phone for 300 dollars.
—I could just two months ago，but the price ________ by 20%.

A．went up	B．had gone up
C．has gone up	D．goes up

Answer 1

C

考查动词的时态。根据语境可知，此处是说该款智能手机到目前为止价格已上涨20%，因此用现在完成时。