Which of the following are true in the context of "Phenomenology"

A. It is "a form of methodological idealism" which seeks to explore 'human consciousness.

B. As a philosophical method, it was developed by Edmund Husserl.

C. Martin Heidegger is one of its leading philosophers.

D. Martin Heidegger's approach is "essentialist".

E. Text is considered purely as an embodiment of the author's consciousness.

Choose the correct answer from the options given below: