Which is the best way to write the underlined portion of this sentence?

Sentence 1But no matter what other elements are added, this metal remains a symbol of beauty, power, love, and fidelity.

Which is the best way to write the underlined portion of this sentence? If the original is the best way, choose optionA.

A. added, this

B. added such

C. added and this

D. added,

E. added, their

Answer: A