英语专业四级考试试题每日一练4

　　Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence. Mark your answers on Answer Sheet Two.

　　4. _____ the boss says, it is unreasonable to ask me to work overtime without pay.

　　A. Whatever

　　B. Whenever

　　C. Whichever

　　D. However