Why would the pause after the first line be longer than the pause after the second line?
they flickered against the ceiling.
of which your soul was constituted;
the period signifies the end of a train of thought.
the first line expresses an incomplete thought.
the second line expresses a complete thought.
the semicolon signifies the end of a train of thought.

The best and most correct answer among the choices provided by your question is the first choice or letter A.

The pause after the first line be longer than the pause after the second line because the period signifies the end of a train of thought.

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