A recently published report indicatesthat the salaries of teachers continue to lag far behind other college-educatedprofessionals, because they make an average of nearly $8,000 a year less at the start of their careers and almost $24,000 less a year by the time they reach the age of 50.
(A) other college-educated professionals,because they make an average of nearly $8,000 a year less at the start of their careers andalmost $24,000 less (B) other college-educated professionals,by an average of nearly $8,000 a year at the start of their careers, to almost $24,000
(C) what other college-educatedprofessionals are paid--making an average of nearly $8,000 a year less at the start of their careers andalmost $24,000 less (D) those of other college-educatedprofessionals--by an average of nearly $8,000 a year at the start of their careers to almost $24,000less (E) those of other college-educatedprofessionals--by an average of nearly $8,000 a year at the start of their careers, and by almost$24,000
E 选项 and 前面加逗号可以么?
不是 三个以上的并列才在and前加逗号么?
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