The question below contains four scattered segments of a sentence. Indicate the sequence which correctly assembles the segments and completes the sentence.
a. be caused also by unsatisfied professional life
b. recent studies have shown that it may
c. depression is caused due to catastrophe or loss,
d. although it is classically believed that
1
b c d a
2
d c b a
3
a c d b
4
a d b c
5
b d a b