Unequivocal means b). Clear, not confusing
It is an adjective meaning Unambiguous, clear, unquestionable etc
Hope this helps :)
Answer:
Example: My mind drew a blank.
Explanation:
To draw a blank means that you couldn't find the words/ideas that you're trying to.
<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.
You would use a c. dictionary to find the meaning of navigation.