The Sugar Boycott was led by members of the Quaker faith, including important female voices such as Elizabeth Heyrick from Leicester who recognised the ways in which the sugar trade was helping to support the slave trade.
This question is a nightmare. The right answer isn't really there. A short answer would be that New England didn't want a second war with Great Britain. There was a real gaffuffle about pressing American seaman into British Navy vessels that cause Jefferson to impose an embargo. All of this centered about the war of 1812.
The choice is between A and B. I would pick A, but I can't eliminate B.
C and D are not really amongst the reasons, particularly C.
One audience for the Declaration of Independence was the American colonists. In the document, Jefferson lays out the argument for forming a new nation. He lists the goals of the new government—this will be a government that will safeguard the people's natural rights of life, liberty, and the pursuit of happiness.