When colonists boycotted British goods under the Stamp Act, they 1.stole products that were taxed
2.refuses to participate in buying stamps
3.sold products that were taxed
4.refused to pass new tax laws

2. Refused to participate in buying stamps

Explanation:

After the British imposed the Stamp Act, the colonists were outraged at this declaration, so to show it they stopped buying stamps all together. After 4 months of widespread boycotting the British repealed the act.

a is correct

hope this let me know if it is right

when in doubt choose c

it's what my teacher told my class when we were going into psats