请选择ABC;c7R,C5p6y7n2G2};E+t:T It was time ________ clean the house.4w1U4E1x2P/^/p
A． to4w1U4E1x2P/^/p
B. for4w1U4E1x2P/^/p
C. in4w1U4E1x2P/^/p