Question

Sam ______ coins since he was eleven years old, and now he has hundreds of them.

A．collected	B．had collected
C．has been collecting	D．had been collecting

Answer 1

C

考查时态。句意“萨姆自从11岁就开始收集硬币了，现在他有几百个了。”表示动作发生在过去，一直持续到现在，有可能继续持续下去。用现在完成进行时。故选C。