[单选题]
The objective of a telescope has a fofm(xz+(v +ibfcal length of 200 cm and its eyepiece hr lv9)3pq*)rrtnvg d;as a focal n rr r)v lgtqp*3);v9dlength of 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
