Answer:
It has a central dome and two semi domes attached to it, and the architect was Sinan.
Explanation:
The monument has been a central piece of historical site in Istanbul, Turkey.
The place is a mosque that has a historical architecture spanning over 1 000 years.
The mosque by Siman, adopted more or less the same concept of a large dome. On the its two sides, it has the two smaller domes. There are two semi-domes on the north and south side.
Hence the third option is correct.