In a ring beam subjected to uniformly distributed load______________?

1. shear force at mid span is zero
2. shear force at mid span is maximum
3. torsion at mid span is zero
4. torsion at mid span is maximum
The correct answer is ?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)