Phillip and Geoffrey's voices must be ______.

A．She has gone to the grocer's
B．She has just clone her shopping.
C．She has bought a few jars.
D．She has been in all day.

A．If the mother had taken up the receiver earlier, she would have known who was on the phone.
B．As soon as the mother changed her clothes, she went to the pond together with the two children.
C．The mother wanted to go home earlier, because she had no interest to do it.
D．They catched the first tadpole to the bank.