Step 1: Early philosopher.
Sañjayabelatthiputta was a contemporary philosopher of Buddha’s time (6th century BCE).
Step 2: Kumāralāta.
Lived around 1st century CE.
Step 3: Nāgārjuna.
Great Mahāyāna philosopher, 2nd century CE.
Step 4: Asaṅga.
Lived in 4th century CE, founder of Yogācāra school.
Step 5: Śāntarakṣita.
8th century CE philosopher who helped establish Buddhism in Tibet.
Step 6: Conclusion.
Thus, the correct ascending order is (D), (E), (B), (C), (A).