【题目】David was late this morning________the heavy snow, and________，the boss scolded him.
A.as a result；as a result of
B.as a result of; as a result
C.as a result of; as a result of
D.as a result；as a result

【答案】B
【解析】句意：由于下大雪，David今天早晨迟到了，结果，老板责怪了他。asa result of“由于”，表原因；as aresult“因此”，表结果。