What was John Dickinson’s argument in Letters from a Farmer in Pennsyl

What was John Dickinson’s argument in Letters from a Farmer in Pennsylvania?

A) Colonists were willing to accept trade taxes from Parliament, but not revenue taxes.
B) Colonists were willing to accept external taxes from Parliament, but not internal taxes.
C) Parliament did not know the difference between external taxes and internal taxes.
D) Colonists were not willing to accept direct or indirect taxes from Parliament.

ANSWER
D