In many people's opinion, that company, though relatively small, is pleasant _____. [ ]

A. to deal with

B. dealing with

C. to be dealt with

D. dealt with

有些真菌会引起动植物的疾病，下列不是由真菌感染引起的是（　　）

A．小麦叶锈病

B．人的扁桃体炎

C．棉花枯萎病

D．水稻稻瘟病