Muslims should pay attention to Hadith 5 of an-Nawawi because it

A.

discourages innovations in religion

B.

warns against backbiting

C.

frowns upon excessive questioning

D.

encourages sincerity in all matters

Correct answer is A

The major teaching of Hadith 5 of an-Nawawi collection focus on innovation.
Hadith 5 On the authority of the mother of the faithful, 'Aisha (may Allah be pleased with her), who said: The Messenger of Allah (peace be upon him) said:
He who innovates something in this matter of ours [Islam] that is not of it will have it rejected [by Allah].