Which of these compounds would you expect to be most soluble in water

A
C
2
​
H
5
​
−O−C
2
​
H
5
​

B
CH
3
​
−CO
2
​
H
C
C
6
​
H
5
​
−NH
2
​

D
C
6
​
H
5
​
−COOC
2
​
H
5
​

Correct option is B)