(A) "unhurried and relaxed" = leisurely (II) - describes a slow, relaxed pace
(B) "very pleased and full of excitement" = ecstatic (I) - describes extreme joy and excitement
(C) "positive and hopeful" = optimistic (IV) - describes a positive outlook despite challenges
(D) "sad and upset, feeling a lot of sorrow" = depressed (III) - describes deep sadness and sorrow
Hence, Option 1: (A) - (II), (B) - (I), (C) - (IV), (D) - (III) -> This correctly pairs each descriptive phrase with its one-word synonym: leisurely for unhurried movement, ecstatic for extreme happiness, optimistic for positive outlook, and depressed for deep sadness -> correct