A cross-sectional view of a skeletal muscle fiber through the H-zone would show the presence of:
H-zone is at the center of the sarcomere. Cross-sectional view through the H-zone will show only thick filaments, as ends of the thin filaments stop sho of the center of the sarcomere.
Actin & myosin
Titin & myosin
Actin & titin
Myosin only
Muscle