问题
ent Hu cut short his visit to LatinAmerica and returned to Beijing on Saturday ______ the 7.1-magnitude quake,______struck the Tibetan Autonomous Prefecture of Yushu Wednesday morning, andleft 1,484 dead with 312 still missing.
A:due to; which
B:owing to ;that
C:as to ; when
D:thanks to; where
B:owing to ;that
C:as to ; when
D:thanks to; where
正确答案是：
