From the given options select the one that carries same relation as

Relagate : Promote

Apprehension : Confidence

The correct answer is OPTION 2 -Apprehension : Confidence

 Relagate means transfer (a sports team) to a lower division of a league.

Promote means raise (someone) to a higher position or rank.

Both of them are opposites.

1. Fright : Dread - Fright and dread are similar emotions.
2. Apprehension : Confidence - Apprehension and confidence are opposites.
3. Perilous : Risky - Perilous and risky are synonyms
4. Delicious : Tasty - Delicious and tasty are synonyms

Apprehension and confidence are opposites. So this is the answer.