[单选题]
The objective of a telescope has a fq3f kxrjufsj *u) .7m7ocal length of 200 cm ani ;ctb fh.jt08d its eyepiece has a focal length o8t; t.h0bc jiff 1.1 cm. What is the magnification of this telescope when viewing an object at infinity?
A. 20
B. 0.0050
C. 200
D. none of the given answers
