Which of the Following Explanations Is Probably the Most Complete

Multiple Choice

Which of the following explanations is probably the most complete?

A) The team lost the game because Maltano dropped the ball in the fourth inning.
B) The car was totaled because a large tree fell on it.
C) The colonel died due to an infected knee.
D) The congressman won reelection due to his position on stem cell research.
E) Doctors earn more than factory workers because they work longer hours.