In the Context of Observer-Report Data (O-Data),which of the Following

In the context of observer-report data (O-data) ,which of the following statements is true about naturalistic observation?

A) It offers researchers the ability to secure information in the realistic context of a person's everyday life.
B) Researchers are allowed to control a context and to eliminate extraneous sources of influence.
C) It requires the individuals being examined to exhibit behavior elicited by researchers.
D) People are contacted electronically one or more times a day at random intervals to answer questions pertaining to a context.