Bait-E-Rizwan was made to take the revenge of which Sahabi?

A: Usman (R.A)
B: Ali (R.A)
C: Hamza (R.A)
D: Hanzala (R.A)
Correct Answer: a
Short Details:
This Bait was made in 6 Hijri.
Bait-E-Rizwan is also known as “Bait-E-Shajrah” because it was made under Keeker tree.
This Bait-E-Rizwan was made by 1400 Sahaba Karam (approx).
The reference about this “Bait-E-Rizwan” is mentioned in Surah Al-Fath of Quran.