In the following question, four alternatives are given for the idiom/phrase in bold and italics in the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
There is no hard and fast rule regarding this subject.
A.
rule that is difficult
B.
rule that is fat changing
C.
rule that cannot be broken or modified
D.
rule that can be broken or modified
Correct answer is C
No explanation has been provided for this answer.
