How did tilapia change lake Victoria ?

The correct answer is A. Many Swahili are Muslims, who are taught to abstain from pork.

Explanation

Swahili is the name of an African community that is located in the eastern region of that continent. This community professes the religion of Islam, so they can be considered as Muslims. As a result of this, the Swahili does not eat meat because they have been taught this by the holy scriptures of the Quran. Therefore, the correct answer is A. Many Swahili are Muslims, who are taught to abstain from eating pork.