题目. Although aspirin irritates the stomach, it can be avoided if the aspirin tablet is given a coating that will not dissolve until the tablet reaches the intestine.
file:///C:/Users/RENXIA~1/AppData/Local/Temp/ksohtml22688/wps1.jpgA\Although aspirin irritates the stomach, it B. file:///C:/Users/RENXIA~1/AppData/Local/Temp/ksohtml22688/wps2.jpgfile:///C:/Users/RENXIA~1/AppData/Local/Temp/ksohtml22688/wps3.jpgThe irritation of the stomach caused by aspirin C. The fact that aspirin causes irritation of the stomach D. Aspirin causes stomach irritation, although it E. Aspirin irritates the stomach, which 为什么这个不选择A第一个那,这个although引导让步壮语从句,it指代前面的整句话, 我理解B后面的那个by是不是有问题,这个没有想明白,希望各位老师指导一下,感谢感谢
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