Question

the item pictured just above is a a. screwdriver b. hex key / allen key c. regular wrench d. bolt e. nut

Explanation:

The tool in the image has an open - ended U - shaped jaw, which is characteristic of a regular wrench used for turning nuts and bolts. It is not a screwdriver (used for screws), hex key (L - shaped), bolt (a fastener), or nut (a complementary fastener to a bolt).

Answer:

c. regular wrench