13．This formed the center of what came to be known，and still ______ known，as AfricaTown．（　�。�
A．wasB．will beC．isD．had been

分析 這形成了后來(lái)叫做非洲城的中心，這里如今仍然作為非洲城而文明．

解答 答案：C．
本句中前面的時(shí)態(tài)雖然為一般過(guò)去時(shí)，但是后面的still表明現(xiàn)在依然如此，所以用一般現(xiàn)在時(shí)表示此時(shí)的狀況，用is，即this still is known as Africa Town；故選C．

點(diǎn)評(píng) 在本題中，后一句描述的是過(guò)去發(fā)生的事情，所以使用了一般過(guò)去時(shí)；而后一句陳述的是現(xiàn)實(shí)情況，因此要使用一般現(xiàn)在時(shí)態(tài)．

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