If a symmetrical bi-concave thin lens is cut into two identical halves, and they are placed in different ways as shown, then
A. three images will be formed in case `(i)`
B. tow inamges will be formed in the case `(i)`
C. the ratio of focal lengths in `(ii)`&`(iii)` is `1`
D. the ratio of focal lengths in `(ii)`&`(iii)` is `2`