7228. His visit to foreign countries brought about a sea change in his outlook and his attitude to the people.

✅ The correct answer is option B.
Favourable : expressing approval.

Transformation : a marked change in form, nature, or appearance.

Unfavourable : expressing or showing a lack of approval or support.

Partial : existing only in part; incomplete.

Sea change : a profound or notable transformation.

Synonym of Sea change is Transformation