Explanation:

Checking A-F:

Tom couldn't care less than the previous one.

The sentence doesn't make any sense. The pair A-F is hence invalid.

Checking B-D:

In a bid to boost education and employment, HRD Ministry is focusing on reskilling teaching workforce.

The above sentence is correct both grammatically and contextually.

Checking C-E:

More and more parents are encouraging their children to play and seek a career of sports.

If the Easter Bunny and the Tooth Fairy had babies they would take your teeth and leave chocolate for you.

Option C is hence the correct answer.