Which Statement About the Microscopic Anatomy of Skeletal Muscle Fibers

Multiple Choice

Which statement about the microscopic anatomy of skeletal muscle fibers is true?

A) Tubular extensions of the sarcolemma penetrate the fiber transversely.
B) Muscle fibers are continuous from tendon to tendon.
C) Each fiber has many nuclei.
D) Cross striations result from the lateral alignment of thick and thin filaments.
E) All are true.