The correct answer would be, Questions that develop information about the subject's feelings or thoughts.
Investigator can ask the above mentioned question along with other two questions after initial open questions from the subject.
Explanation:
When a research is conducted, there must be a subject from whom the researcher would investigate. Initially the subject is asked or given questions, which he has to answer. After that the researcher can continue the next session of questions. Those questions can be divided into three categories:
Questions to elicit more information
Questions to seek an explanation
Questions that develop information about the subject's feelings or thoughts
These three important clarification questions are asked in the second step of the investigation.
A human trait would be any characteristic that describes a human . . . eye color, height, and hair texture are all characteristics that describe a human . . . so the answer is d) all of the above
