Take a Look at the Survey Question Below:
I Find $Not ~at ~all \quad1\quad2\quad3\quad4\quad5\quad6\quad7\quadVery ~much$

Multiple Choice

Take a look at the survey question below:
I find the professor to be prepared for class and prompt at returning work.
$Not ~at ~all \quad1\quad2\quad3\quad4\quad5\quad6\quad7\quadVery ~much$
Which suggestion of survey construction does the question violate?

A) make alternatives clear
B) ask about one issue per question
C) avoid negative wording
D) avoid leading questions