Which sentence is punctuated correctly? A) A number of biotech ...

[panfilo]

Which sentence is punctuated correctly?
 A) A number of biotech firms are represented, Amgen, Genentech, Genzyme, and ImClone Systems.
 B) A number of biotech firms are represented Amgen, Genentech, Genzyme, and ImClone Systems.
 C) A number of biotech firms are represented: Amgen, Genentech, Genzyme, and ImClone Systems.

Question 2

Much of your credibility as a presenter is based on body language, which is why you should videotape yourself rehearsing and check your posture, expressions, and gestures.
  Indicate whether the statement is true or false

[JCABRERA33]

Answer to Question 1

C

Answer to Question 2

True