Which of the Following Ideas Is Associated with Deep Ecology

Multiple Choice

Which of the following ideas is associated with deep ecology? 

A)  understanding the Earth's oceans, and in particular their depths, will yield many important resources and help to solve important climatic problems 
B)  we must achieve deep focus in order to save the most fundamental ecosystems first; if time permits, we can broaden our perspectives to save additional ecosystems later 
C)  the interdependence and diversity of life forms on Earth is of fundamental importance 
D)  the exploration of deep space may hold the answers to humanity's future