Letter A is the correct answer.
Observational learning is the ability to learn by witnessing the behavior, emotions and attitudes of other people. This method of learning comes from Albert Bandura's social learning theory and it suggests that there are four conditions necessary for observing and modeling behavior, such as: attention, retention, reproduction, and motivation.
The meaning I know, is to make a hole. or the other definition is to remove earth carefully for a reason such as to find remains.
Explanation:
to have been in an error, and to have persisted in it, when it is detected, ruins both reputation and fortune.
