【单选题】

What do we mean by a perfectEnglish pronunciation In one (76) there are as many different kinds ofEnglish as there are speakers of it. (77) two speakers speak in exactly the same way. We can always hear differences (78) them, and the pronunciation ofEnglish varies a great deal in different geographical areas. How do we decide what sort ofEnglish to use as a (79) . This is not a question that can be (80) in the same way for all foreign learners ofEnglish. If you live in a part of the world like India or WestAfrica, where there is a long (81) of speakingEnglish for general communication purpose, you should select to acquire a good variety of the pronunciation of this areA、It would be mistake in these circumstances to use as a modelBB

C、English or anything of the sort. On the other hand, if you live in a country (82) there is no traditional use ofEnglish, you must take (83) your model some form of practicalEnglish pronunciation. It does not (84) very much which form you choose. The most (85) way is to take as your model the sort ofEnglish you can hear most often.
A、effectiveB、sensitive
C、ordinaryD、careful