Choose the Answer Which Best Rewords the Italicized Portion

Multiple Choice

Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
Palladium, a soft shiny silvery-white metal, is one of six platinum group metals and is relatively rare.

A) a soft shiny silvery-white metal
B) a soft, shiny silvery-white metal
C) a soft shiny, silvery-white metal
D) a soft shiny silvery white metal