【叫我第一名】評論
A是結果，不是原因!
【小小兵】評論
A number of factors can cause this to happen. (B)Eating certain types of sugary food, (D)frequent exposure to extreme heat or cold, sweating, and (C)allergic reactions to hair products are all thought to trigger dandruff. But the condition’s main cause is a fungus which grows on your scalp. (A)應改成：最主要的元兇是一種菌在你頭上生長（原因）。又紅又癢的皮膚是菌生長造成的結果。