—We' ve spent too much money recently. —Well,it isn't surprising. Our friends and relatives______around all the time.
【正确答案】 D
【答案解析】解析：句意：“近来我们花了太多钱了.”“这不足为奇，最近朋友和亲戚总是来访。”根据句意，用have been coming表示从过去到现在一直发生的动作。因此答案为D。