Answer: Option D.
Step-by-step explanation:
To solve this exercise you must keep on mind the Angle at the Center Theorem.
According to the Angle at the Center Theorem, an inscribed angle is half of the central angle.
Therefore, given in the inscribed angle m∠BAC=35°, you can calculate the central angle m∠EFD as following:

- Solve for EFD.

- When you substitute values. you obtain:

I believe the correct answer C
I believe its 2 and 1/2
I'm so sorry if its not but I would guess it is :)
Are you sure about your solves??
I think correct answer is 6,
I don't know but the standard way is in the photo: