--- It is weeks since he ___.
---So it is. We’d better ask some one else to help us.
A．fell illB．was illC．is illD．has been ill
A
“他病了幾周了。”since引導(dǎo)的從句使用一般過去時態(tài)。當(dāng)since引導(dǎo)的從句中謂語動詞是短暫性動詞時，表示從動作開始到現(xiàn)在，因此答案A。
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