单选题 According to the passage, which of the following statements is true of the process that discolors and toughens foods?

A、 It takes place more slowly than glycosylation in the human body.
B、 It requires a higher ratio of glucose to protein than glycosylation requires in the human body.
C、 It does not require the aid of enzymes to attach glucose to protein.
D、 It proceeds more quickly when the food proteins have a molecular structure similar to that of crystallin proteins.

【正确答案】 C

【答案解析】该题问：根据文章，下面哪一个关于使食物失色干燥的过程的说法是否正确? C项意为“它无需酶的帮助也能把葡萄糖依附于蛋白质”。A项意为“它比人体内糖基化过程进行(发生)得更慢”；B项意为“它需要比人体内糖基化所需的葡萄糖、蛋白比例更高”；D项意为“当食物蛋白具有和晶体状蛋白相似的结构时，它进行得更快”。