现在进行时描述正在发生的活动 — 英语选择题
题目
现在，Amy在看书，两个男孩在下棋。哪句话正确描述了他们正在做的事？
A. Amy is reading a book, and the boys are playing chess.
B. Amy is read a book, and the boys are playing chess.
C. Amy is reading a book, and the boys is playing chess.
D. Amy reading a book, and the boys are playing chess.