45. The Queen’s broadcasts were chosen for the study mainly because ______.
(A) she has been Queen for many years
(B)she has a less upper-class accent now
(C) her speeches are familiar to many people
(D)her speeches have been recorded for 50 years

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步筱昕

B1 · 2014/07/17

#1204303

第二段最后一句As far as I know, there just is nobody else for whom there is this sort of broadcast records可知只有女王的讲话录音完整，具有研究的价值。