What was the major economy of the middle colonies?
o
a. small businesses such as shipbuilding
o
b. small farms, merchants, and professionals
o
c. large single-crop plantations
o
d. family farms and merchants

The major economy that can be attributed to middle colonies is D. Family farms and merchants.

The middle colonies can be regarded as colonies with diverse economy aa regards English merchantile system. some of the region that falls under this are Pennsylvania, New York as well as New Jersey.They are colonies that fall at centrallocation,  and they do engage in agricultural activities with various farms with numerous kinds of crops.

Therefore, option D is correct.

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D  at the cost of may lives  hobe this ask more questions if you neet to