Q647
. . . . . . . . abnormal behavior can be caused by . . . . . . . . fear, but there are . . . . . . . . other causes as well.
A.
no article, no article, no article
AnswerB.
an, no article, no article
C.
an, no article, the
D.
the, no article, the
Answer: Option A
Solution
Answer: Option A
Solution:
Option A is correct because none of the blanks require articles to provide meaning to the sentence.