甲、乙两同学进行拔河比赛,若甲对绳的拉力为F甲,乙对绳的拉力为F乙, F甲与F乙均沿绳子方向,比赛中绳子做匀速直线运动,最后甲取胜绳重不计,则绳子受到的拉力F甲、F乙以及这两个力的合力F的关系是 AF甲>F乙,F=F甲+F乙 BF甲<F乙,F=F甲-F乙 CF甲=F乙,F=0 DF甲=F乙,F=F甲+F乙
. She pretended ______ me when I passed by
.
A.not to see .
B.not seeing
C.to not see
D.having not seen.