Answer:
D. The systems draw on both the arts and natural science.
Explanation:
According to the passage, systems of philosophy retain a certain relative validity because they draw on both the arts and natural science as they are not solely dependent on either the facts and theories of natural science or the classical approach to art but use both aspects well.
Answer:
A. There is regret in giving up on dreams.
Explanation:
From my English experience, choice B) would probably be the best fit
Answer:
In addition to
Explanation:
This is because they are saying
as well as their occasional selfishness, and saying they are capable of being nice as well
