A.import datetime;datetime.datetime.now()B.time.now()C.datetime.now()D.A和B都对
A.[x for x in range(10)]B.list(x for x in range(10))C.for x in range(10):list.append(x)D.A和B都对
A.x in listB.list.contains(x)C.list.has(x)D.A和B都对