Subsidies - GS questions based on daily current affairs

1)   Which of the following statement / s is / are correct regarding Subsidies?

1) Price subsidies are often regressive.

2) Price subsidies can distort markets in ways that ultimately hurt the poor.

3) Leakages seriously undermine the effectiveness of product subsidies.

4) Subsidies have helped poor households to weather inflation and price volatility.

a. Only 2 and 3
b. Only 3 and 4
c. Only 1, 2 and 4
d. All of the above