Explanation
In this vocabulary item, Friendly is the closest synonym of Amiable, so option D is correct. The word Amiable and the word Friendly share the same central sense in the context tested by the question, although usage, tone and grammatical form should still be checked before substituting one for the other. A synonym is not required to be identical in every possible sentence; it must preserve the intended meaning in the relevant context. Here, replacing Amiable with Friendly keeps the core idea intact without reversing the tone or changing the action, quality or state expressed by the target word. The alternatives Depressed, Persuade and Perceive do not express the same central meaning as Amiable. This distinction matters because competitive examinations often place one accurate synonym beside three familiar but contextually unsuitable words. To verify Amiable independently, identify its part of speech, state a short definition, and place both Amiable and Friendly in the same simple sentence. If the sentence retains its essential meaning and grammatical structure, the synonym relationship is supported. Learners should revise Amiable together with Friendly, a brief usage cue and the contrasting distractors.