JEE Main 2021 Chemistry question

In the following sequence of reactions a compound A, (molecular formula ) with a straight chain structure gives a carboxylic acid. A is :

• (A)CH_3-CH_2-COO-CH_2-CH_2-CH_3
• (B)CH_3-CH_2-CH-CH_2-O-CH=CH_2 (with OH substituent)
• (C)CH_3-CH_2-CH_2-COO-CH_2-CH_3Correct
• (D)CH_3-CH_2-CH_2-O-CH=CH-CH_2-OH