The Following Questions Focus on Conjoint Measurement

The following questions focus on Conjoint Measurement:
-Which of the following is TRUE?

A) The attributes used to construct the stimuli for a conjoint analysis are completely determined by the purpose of the investigation.
B) The attributes used to construct the stimuli for a conjoint analysis should be both actionable for the company and important to people.
C) In a typical conjoint analysis study, most of the attributes that could be used to construct stimuli will be used.
D) Our ability to generate good estimates of the utility of each attribute level depends upon the number of stimuli being relatively small versus the number of parameters that need to be estimated.
E) They are all false.