[求助]0308 36

yvonne16

Female horseflies transmit a few diseases, but their main significance as pests is in sting of their bite.

答案是D, 这是什么意思啊？

费希

有可能改成in the sting of

真老九

sting作“刺痛，刺伤”讲，可数，前面要加限定词，这里用the sting