A longshore current generally runs . a. parallel to the coastline
b. perpendicular to the coastline
c. against the prevailing wind direction.
d. parallel to the prevailing wind direction.

a parallel to the coastline

Explanation:

it is caused by larger swells sweeping into the shoreline at an angle and pushing water down the length of the beach in one direction

answer; i believe that the correct answer is (c) the jury;