Answer:
B is correct answer and l hope it's help you
Gertrude Stein, patron of the arts, was a voluble conversationalist when artists and writers visited her Paris apartment in the 1920s and 1930s.
Form google dict., voluble means <em></em><span><em>Speaking or spoken incessantly and fluently.</em></span>
"<span>It makes the reader aware of the key actors in the unfolding narration" would be the best answer. It's important to establish key characters early on so the reader is confused later. </span>
