What are the characteristics of philosophy according to the text?

I- It is a universal knowledge.
II- It is a rational knowledge.
III- It is a critical knowledge.
IV- It is a knowledge that seeks the ultimate root, foundation, or principle of all things.
V- It is a problematic knowledge.
VI- It is a transcendent knowledge.
VII- It is a methodical knowledge.
VIII- Its knowledge is ordered and hierarchical.
IX- It is a knowledge that is subject to limitations of other sciences.
X- It is a reflexive knowledge.
a) I, II, III, IV, and V are correct.
b) VI, VII, VIII, IX, and X are correct.
c) I, II, III, IV, V, VI, VII, VIII, IX, and X are correct.
d) Only IV, V, VI, VII, VIII, and IX are correct.