The rhyme scheme is AABB. The corresponding rhyming lines are directly next to each other.
Child labour takes place when children are forced to work at an age when they are expected to work, study and enjoy their phase of innocence. It implies lost or deprived childhood that leads to exploitation of children in various forms: mental, physical, social, sexual
Sodden would be with soaked.
lengthy would be with prolonged
endure would be with tolerate
countless would be with innumerable
The answer is B, you rewrite the original completely in your own words, altering the sentence structure. Hope this helps!