In What Way Did Muhammad Abduh Differ from His Mentor

In what way did Muhammad Abduh differ from his mentor Jamal al-Din al-Afghani?

A) Al-Afghani spent time in Paris, while Abduh did not
B) Abduh believed in pursuing his goals through institutional reform while al-Afghani believed in achieving his goals through political agitation
C) Abduh believed that older superstitions and administrative practices were destroying the ummah's social dynamism but al-Afghani did not
D) Abduh did not differ from his mentor, al-Afghani, in any way