Even though the direct costs of malpractice disputes amounts to a sum lower than 1 percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation.
比如说populaiton, number等等这些词用high还是用large来修饰? less是只能修饰不可数名词吗?为什么有less cost 这题选C Even though the direct costs of malpractice disputes amounts to a sum lower than one percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation.
搜的CD上XDJM的回答: The correct choice must feature a verb that agrees with the plural noun costs and refers to an action completed last year (past tense). The verb amounts in A and B fulfills neither condition, and amounts to a sum in A is redundant. The same redundancy occurs in E, and the construction a lower sum than is awkward and imprecise in the context of the sentence. In D, the adjective lower is erroneously used in place of the noun less as object of the preposition to. Choice C is best