[单选题]
A camera lens that covers the film with a field of view that corre,p p:bz5u: vaxsponds approm5.bt.b xhk4/ko2dv ; w a3ca7m9wqblximately to that of normvbok .wqb;m 92mah. 7a4kbtd w /5c3lxal vision is referred to as a
A. normal lens.
B. telephoto lens.
C. wide-angle lens.
D. zoom lens.