Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Although the account is in good standing at this point in time. is this sentence incomplete or complete?

My friends asked me, “are you not coming for the party? "change into passive voice

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.