【推荐2】______ a tunnel has been built through the mountains, the Great St. Bernard Pass is less dangerous, but each year, the dogs are still sent out into the snow whenever a traveler is in difficulty.

A．Because of

B．Due to

C．On account of

D．Now that

【推荐3】She had reached a position ______ she was forced to choose between her career and her family.

A．that

B．which

C．when

D．where