(1) The planes have to undergo rigorous safety checks. (2) You may have to undergo disappointment and failure before experiencing success. (3) It took me some time to undergo the metamorphosis from teacher to lecturer. (4) Most patients undergo some sort of drug therapy for leukaemia
The answer is D.
According to abba rhyme scheme, as the spelling suggest, the first and the last later must sound same and the second and third later must sound same.
So, lost and cost sound same
and tell and well sound same.
I believe the answer is C.) The writer states one thesis statement in the introduction.