CAT Exam Model Paper 8 with solutions for free online practice

Given below is a sentence, part or all of which, is underlined. Beneath the sentence are four ways of phrasing the underlined part. The first of these repeats the original; the other three are different.
Choose the option that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error. The question tests correctness and effectiveness of expression.
At the top of the game, Federer was appealing because he was an artist. Nadal was a magnetic, brilliant, glowering presence; Diokovicwas going to be the guv who made the jokes.