Question

Read the excerpt from The Strange Case of Dr. Jekyll and Mr. Hyde.

Mr. Utterson the lawyer was a man of a rugged countenance that was never lighted by a smile; cold, scanty and embarrassed in discourse; backward in sentiment; lean, long, dusty, dreary and yet somehow lovable.

This sentence is part of the exposition because it

introduces a character.
makes the reader curious.
develops the central conflict.
provides tension for the story

Answer 1

introduces a character.

This line is pure character exposition: it describes Mr. Utterson's appearance and personality to introduce him to the reader. It doesn't yet develop the central conflict or specifically create tension (though it may arouse curiosity).