Our firm is with in（）from the airport.

A.thirty minutes’ drive

B.adrive of thirty minutes

C.driving for thirty minutes

D.driving car by thirty minutes

患者身热不恶寒，反恶热，烦渴喜冷饮，神昏谵语，便秘溲赤，手足逆冷，舌红苔黄而干，脉沉数有力。其证候是

A．表寒里热

B．表热里寒

C．真热假寒

D．真寒假热

E．上热下寒