Answer:
A)structured-disguised.
Step-by-step explanation:
Structured-disguised questionnaire: In scientific & psychological research, the term "structured-disguised questionnaire" is described as a questionnaire format in which the answers related to mentioned questions that are supposed to be asked from the participants are being resolute in advance. In this questionnaire, the questions are being asked by the participants involved in a particular study indirectly and therefore the participants are not able to understand the exact purpose of the given questions yet answers easily.
In the question above, the given format of the questionnaire is best described as structured-disguised.