Light-to-moderate smokers were ________
问题:
Light-to-moderate smokers were ________ to die of sudden heart problems than those who had never smoked.
A.as twice likely
B.twice more possible
C.twice more likely
D.as twice possible
Light-to-moderate smokers were ________ to die of sudden heart problems than those who had never smoked.
A.as twice likely
B.twice more possible
C.twice more likely
D.as twice possible