(i) Even as a junior cricketer, John was considered a good captain.
There is no information whether John is a captain when he was in the junior team.
(ii) Finding a complete captain is a challenge.
By reading the above line
The Cricket Board has long recognized John’s potential as a leader of the team
We can infer this statement.
(iii) Fans and the Cricket Board have differing views on what they want in a captain.
We can't infer this statement by reading the above paragraph.
There is no information about whether the fans and the Cricket Board are having different views on what they want in their captain.
(iv) Over the past three seasons, John has accumulated big scores.
After reading this line --
Over the past three seasons though, that picture of John has been replaced by a
cerebral, calculative and successful batsman-captain.
we can easily infer this statement.
Hence, option ii) and iv) are the desirable options
Answer (C) (ii) and (iv) only