The answer is B. because, the other answers have random comas, while sentence B. Uses no random comas and correctly placed periods.
Answer:
C. adverb clause
Explanation:
The exhibition could not begin until Phineas Barnum appeared.
The keyword until, makes this an adverb clause.
I am joyous to assist you anytime.
Completed would be the verb because it is an action
The answer is middle..
When summarizing the middle of a plot, one should notice the key ideas about how the conflict builds.