✔ Correct Answer: C. Hazrat Arqam (RA)
The correct answer to the question “The Holy Prophet (PBUH) covertly preached Islam for first three years at the house of ____ in Makkah?” is Hazrat Arqam (RA). This question belongs to Islamic Studies. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.