Concept:Commitment to Allah is shown through fulfilling the duties and acts of worship He has commanded.
Explanation:Muslims express their commitment to Allah through worship and obedience.
Observing all prescribed rituals includes prayer, fasting, Zakat, and other required acts.
Dressing modestly is good, but it is only one aspect of practice.
Marrying four women is a permission, not a required act of commitment.
Visiting the mosque daily is not obligatory.
Answer:C. observing all prescribed rituals