The correct option is A He strongly advocated the Purdah system.
Sir Syed Ahmed Khan fought against traditions, superstitions, ignorance, and irrationalities; he advocated for the need for an open mind. He discouraged the Purdah system for Muslim women and polygamy; he called for educating Muslim girls. He founded the Mohammadan Anglo-Oriental College in Aligarh in 1875; it later became the Aligarh Muslim University.