The United States minted about 857 million silver-colored “Susan Anthony” dollars between 1979 and 1981, but the coin proved unpopular because it looked and felt too much like a quarter.
A.The United States minted about 857 million silver-colored “Susan Anthony” dollars between 1979 and 1981, but the coin
B.About 857 million silver-colored “Susan Anthony” dollars were minted as coins in the United States between 1979 and 1981 but
C.About 857 million silver-colored “Susan Anthony” dollars that were minted between 1979 and 1981 in the United States
D.About 857 million silver-colored “Susan Anthony” dollars that the United States minted between 1979 and 1981
E.Between 1979 and 1981 the United States minted about 857 million silver-colored “Susan Anthony” dollars, which
这道题答案选了A,可是A选项逗号前面不是一整句话吗?请问这到底是怎么回事?
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