A <em>"Survey"</em> is an investigation derived from a range of <em>"questions"</em>, regarded as an assessment of the information collected from individuals or the environment to increase knowledge.
<em>Surveys</em> provide significant information if we are looking for answers to questions we have; in a way that they generally use <em>"questionnaires"</em> in order to improve the accuracy of the <em>answers</em> we are looking for. Thereby (A).
