题目

阅读理解 Make way, good people, make way, in the King's name!cried he. Open a text; and, I promise you, Mistress Prynne shall beset where man, woman, and child, may have a fair sight of her brave clothing,from this time till an hour past noon. A blessing on the moral Colony of theMassachusetts, where immorality is dragged out into the sunshine! Come along,Madam Hester, and show your scarlet （鲜红色的；罪孽深重的）letter in the market-place! A lane was at once opened through the crowd. Led by thebeadle （狱吏），and attended by an irregular processionof serious-looking men用蛋白酶去除大肠杆菌核糖体的蛋白质，处理后的核糖体仍可催化氨基酸的脱水缩合反应。由此可推测核糖体中能催化该反应的物质是（ ）A. 蛋白酶 B. RNA聚合酶 C. RNA D. 逆转录酶