【单选题】Which arrangement best describes a bipennate muscle?
A.
The muscle fibers feed in on an angle to a long tendon from both sides.
B.
The muscle fibers feed in on an angle to a long tendon from all directions.
C.
The muscle fibers feed in on an angle to a long tendon from one side.
D.
The muscle fibers on one side of a tendon feed into it at a certain angle and muscle fibers on the other side of the tendon feed into it at the opposite angle.