He ______ articles for our wall-newspaper these three years, and he ______ about forty articles.
A．has been writing; has written
B．has been writing; wrote
C．is writing; has been writing
D．has written; has written
A
由時間狀語：these three years推出一直在做某事用現(xiàn)在完成時的進(jìn)行時，后句對他寫文章的總結(jié)，用現(xiàn)在完成時。
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