I asked Jim and Bob to my home for a meal ,but ____of them c

題目：

I asked Jim and Bob to my home for a meal ,but ____of them came.
A.both B.nor C.none D.nrither

解答：

有but表示後句意思轉折,根據前句,一定是兩個都沒來,故爲neither,none也表示否定,但必爲三者以上,而nor of 沒有這個搭配