Then _______ we had been looking forward to. [ ]

A. the hour came

B. came the hour

C. did the hour come

D. the hour did come

患者，70岁，晨起时出现说话不流利，仅发“咿、呀、哦”等声音，指手画脚，但能听懂他人的讲话内容，能随命令做相应的动作。该患者的语言障碍可能为

A．运动性失语
B．感觉性失语
C．命名性失语
D．混合性失语
E．癔症性失语