Pakistan's largest city, and major port servicing the country, is: a. islamabad. b. karachi. c. rawalpindi. d. dhaka.

Salutations!

Pakistan's largest city and major port servicing the country is Karachi. This port is known as Port of Karachi. This is port is the biggest port servicing in the whole South Asia. Due to this port, an instant growth of population had occurred.

Thus, your answer is option A.

Hope I helped (:

Have a great day!

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