The correct answer is C. Around the corner.
Explanation
Sentences Openers are a way to start writing a sentence and capture the attention of the reader or the receiver, in this way the sender of the message creates a direct connection with the receiver, causing it to be transported to an instantaneous mental image. In general, the Sentences Openers are prepositions, plural or collective nouns and verbs. In the case of prepositions, must be followed by a pronoun. According to the above, the phrase begins with "Around", a word that can be classified as a preposition of place, because it refers to a specific place where a fact occurs. So the correct answer is C. Around the corner, because "Around" is a preposition and "corner" is a noun.
