四六级考试

【单选题】 Linda feels exhausted because she______so many visitors today.
A．has been having
B．had been having
C．was having
D．had had

网考网参考答案：A
网考网解析：
[解析] 考点：动词时态。此处需要用现在完成进行时，表示她接待来访者这一动作还未结束，所以选A。 [例句] All these years they have been fighting heroically for independence． 这些年他们一直在为争取独立而英勇战斗。 查看试题解析出处>>