The correct option is A Chlamydia trachomatis
Trachoma is an infection of eyes caused by a bacterium called Chlamydia trachomatis. It is transmitted through contact with the eyes, eyelids, and nose or throat secretions of infected people. Symptoms are mild itching, swelling and irritation of the eyes and eyelids. It is also called as conjunctivitis. Hence, the correct answer is option A.