Step 1: Understanding Renaissance Humanism.
Renaissance Humanism emphasized the value of human beings, focusing on the central role of humanity in the universe. It advocated for a life led by reason rather than instinctual desires and animal passions, which aligned with its emphasis on intellectual achievement and moral philosophy.
Step 2: Explanation of the options.
(A) is correct because Humanism stressed the dignity and centrality of human beings, placing humans at the heart of intellectual and philosophical thought.
(B) is incorrect because Renaissance Humanism actually emphasized the study of classical literature, particularly that of ancient Greece and Rome.
(C) is correct because Humanism promoted the use of reason to order human life and society, contrasting it with the irrationality of base appetites and passions.
(D) is correct because Humanism blended classical ideals, especially those from pagan antiquity, with Christian doctrine, creating a new worldview.
Final Answer: Option \( \boxed{(A),\ (C),\ (D)} \) is correct.