In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Living as _________ educated individual in a free society, I felt that we continue to unknowingly hold some biases that we develop _________ time. It requires many maturity updates to install in your psychological system, and at ___________ conscious efforts to develop a good sense of __________. I was small at that time, but with age and experience I absolutely _____________ and approved each and every word my uncle had said that day.