请选择ABCD0G:o9n*O2q__________look__________the blackboard.1z8o.k,F;x0|6G:{3}.];k
A.Let， at1z8o.k,F;x0|6G:{3}.];k
B.Let’ s， at1z8o.k,F;x0|6G:{3}.];k
C.Lets， like1z8o.k,F;x0|6G:{3}.];k
D.let， on1z8o.k,F;x0|6G:{3}.];k