<em>One very popular hobby </em>is C) a complete subject.
A complete subject consists of more than one word, and since there are four words that make up the subject, it is complete, and not simple.
English is a Germanic language of the Indo-European language family, originally spoken by the inhabitants of early medieval England. It is named after the Angles, one of the ancient Germanic peoples that migrated from Anglia, a peninsula on the Baltic Sea, to the area of Great Britain later named after them: England.
I’m not sure how to help but you could help me by giving me brain stuff