4.When I school, classes had already begun.

A)reached

B) had reached​

a for sure

Explanation:

reached

B

Explanation: when I had reached school, classes had already begun.

It makes more sense for me.

just took the test;

argument: "it's time to wage a war against britain to secure american freedom."

claims: "america has tried every peaceful method available for seperating from england" & "the americans' petitions to the king have been turned away by him."