It's A, reading this out loud can help you determine which sounds right. Making sure you read every part is important. If it was just "President Obama" at the beginning it would be choice B.
It's A.
The Latin root word centr is easily recalled through the wordegocentric, for someone who is egocentric is someone whose own “center” or self is first and foremost, above all others.
It kinda looks like abandoning patriotism