_________is reported in the newspaper,_________ no need to go shopping to the supermarket,

for shopping online is so convenient.       [ ]

A. It ; it  is                                

B. It ; there  is        

C. As ;it is                                  

D. As ; there is

关于肉毒梭菌表述错误的是（）

A.革兰阳性菌

B.厌氧菌

C.引起毒素性中毒

D.在我国以引起植物性食品中毒为常见

E.治疗后留有后遗症