Why Is It Relevant to Churchland That Neuroscience Is a Relatively

Why is it relevant to Churchland that neuroscience is a relatively new field?

A) Because this suggests it is not a reliable source of information about philosophy
B) Because this suggests it is a promising field, which will continue to develop
C) Because this suggests that it will likely not develop, and so it isn't a good source of knowledge
D) Because it suggests that chemistry is a better field for philosophers to focus on