In a Story Mentioned in the Text, the Importance of Proofreading

Multiple Choice

In a story mentioned in the text, the importance of proofreading in writing was highlighted by

A) courses given at Fortune 500 companies for proofreading.
B) professional communicators rated grammar as more important and teachers rated mechanics as more important.
C) teachers rating it as more important than professional communicators.
D) a misplaced decimal and a misplaced comma.