The correct answer is D. pleasant.
Life in the villages is often described as being pleasant because it is slower-paced and more relaxed than life in the city. People in villages tend to know each other well and there is a strong sense of community. There is also often a lot of nature to enjoy in villages, which can be very calming and peaceful.
The other options are not as accurate descriptions of life in the villages. Option A, serious, is not accurate because life in the villages is not necessarily more serious than life in the city. Option B, wasteful, is not accurate because people in villages are often very careful with their resources. Option C, bluffing, is not accurate because people in villages are generally honest and straightforward.