JEE Main 2023 Chemistry question

Which will undergo deprotonation most readily in basic medium (a) acetylacetone-type 1,3-diketone (b) methyl 3-(4-methoxyphenyl)-3-oxopropanoate (c) methyl 3-oxobutanoate-OMe ester

• (A)c only
• (B)a onlyCorrect
• (C)Both a and c
• (D)b only