in conducting experiments to test scientific theories,exceptions?

Question

a.can be triggered if they are few in number
b.tend to be disproved or substantially weaken the theory and must be reported
c.are included to increase the power of the theory
d.suggest that the research method was faulty

my answer is c

Answer 1

Exceptions contradict the theory and must be reported.

Answer 2

so the aswer is b

Answer 3

do you think you could help me out with this question writeacher

Answer 4

i found in the text experiments are carried out to ensure that their predictions about children happen again and again.exceptions to this are not rejected but included to increase the power of theory
so I believe the right answer is c