Each sentences below consist of a word or a phrase which is in Quotation marks. It is followed by four words or phrases. Select the word or pharse which is closes to the OPPOSITE in meaning of the Quotation marked word or phrase.The atmosphere in the institute he had newly joined "congenial" to research.

• A. disagreeable for
• B. inconvenient for
• C. unpleasant for
• D. unsuitable for