Doubt in 2 options

[anshulagarwal12]

In recent years cattle breeders have increasingly used crossbreeding, in part that their steers should acquire certain characteristics and partly because crossbreeding is said to provide hybrid vigor.

(A) partly because of their steers acquiring certain characteristics

(B) partly to acquire certain characteristics in their steers

[kartikshah]

Hi anshulagarwal12

Please post all 5 options. It helps all community members.