Question

corrugated most nearly means
a curved.
b drilled.
c grooved.
d twisted.

Explanation:

"Corrugated" means having a surface with a series of parallel ridges or grooves. "Grooved" also implies having a long, narrow cut or depression. "Curved" refers to a bent shape, "drilled" involves making holes, and "twisted" means being turned or coiled.

Answer:

C. grooved