[单选题]
A camera lens that covers the film with a field of view thj nm6io2iad 3et,/y2hat corresponds approzt y9ir0+*dydf0o zn3 x 0v-ocximately to that of normal vision is-fd0yxdt z9 n z+cryi o0vo30* referred to as a
A. normal lens.
B. telephoto lens.
C. wide-angle lens.
D. zoom lens.
