B. Allow enough time to complete the activities you've planned.
D is the answer for this question. I hope this helped you out. I know it would help me.
Answer: Moscow
Explanation:
Russia has a population of 144 million people (in 2015). Moscow is the capital and core of political power and the center of culture, and trade, St. Petersburg is the second largest city.
To respect their parents, gain respect for their elders, and be well educated.