They drinking although they are drivers, which is very dangerous both to them and the passengers.
A. give up
B. devote themselves to
C. quit
D. abandon themselves to
网友回答
A. give up
B. devote themselves to
C. quit
(答案→)D. abandon themselves to
解析：考查动词短语：句意：虽然他们是司机，但他们还是沉溺于饮酒，此举无论是对于他们还是对乘客们而言，都很危险。although表示让步，说明前面的行为与后面的情况是相悖的，所以排除A、C两项；devote oneself to“献身于”，与句意不符；abandon oneself to“沉溺于”，符合句意，故选D。