Since he heard of his failure at the examination，Tom ________.
A．had been very cast down
B．has very cast down
C．had very cast down
D．has been very cast down
Since he heard of his failure at the examination，Tom ________.
A．had been very cast down
B．has very cast down
C．had very cast down
D．has been very cast down
D
此题考查时态和语态。be cast down“使泄气”；since往往与现在完成时连用。句意是：自从他听到他考试失败以后，汤姆就非常沮丧。