— Do you still remember when we went to Chongqing?

—I can’t remember now but ______ sometime last summer?

A．could it be

B．might it be

C．could it have been

D．might it have been

咽结核的临床表现主要是

A．咽黏膜慢性充血，咽后壁黏液附着

B．咽黏膜慢性充血，咽后壁淋巴滤泡增生，咽侧索肥厚

C．咽后壁、软腭多发浅溃疡，边缘不齐，附有灰白色渗出物

D．咽黏膜变薄、干燥，无光泽

E．咽黏膜弥漫充血肿胀，咽后壁表面有黄白色点状渗出物