Since people think faster than a speaker can talk,daydreaming can become a problem.Which of the following is recommended to overcome this listening problem?​

A) Evaluate the quality of the speaker's delivery.
B) Use the spare time to repeat key words in your mind. 
C) Use the spare time to write more detailed notes.
D) ​Repeat only the facts in your mind.

Long sentences contain more than ________ words.