Refrain is in a song not a poem so C. Refrain.
Hello I think the answer is imploringly hope this helps !!
Marines are <span>also known as a </span>marine corps<span> and </span>naval infantry<span>, are an </span>infantry<span> force that specializes in the support of naval and army operations on land and at sea, as well as the execution of their own operations.</span>
Concrete nouns are ones made up of atom.
Dog,cat,table sat,wink
