下列词语书写无误的一项是  [ ]

A．扫荡　　粟树　　　　蘑菇　　姿势  

B．清新　　糟糕　　　　凄凉　　野蛮  

C．糊涂　　声撕力竭　　腼腆　　觅食  

D．稠密　　温驯　　　　固执　　枪镗

— He's already back to Australia, _____? 

— _____. He is on a visit to Shanghai. [ ]

A. isn't he; No

B. hasn't he; Yes

C. isn't he; Yes

D. hasn't he; No