【题目】I bought a shirt because it was not only good ______ but also reasonable in price.
A.of quality
B.in quality
C.of a quality
D.in a quality

【答案】B
【解析】quality质量（是不可数名词），排除CD项；质量好：be good in quality；句意：我买一件衬衫因为它不但质量好，而且价格合理。根据句意选B。