shenzhou VI ＿around the earth for 115 hours A has been flown B has been flying C flew 为什么选c
问题描述：
shenzhou VI ＿around the earth for 115 hours A has been flown B has been flying C flew 为什么选c
答
b的意思上到神六现在还在飞行.
此句是过去的时间.C不能看到for 就用完成时.要依照句子的本意来