Assuming that the underlined clause is : that i had missed the train,
the one that best describes the underlined clause is : A. Noun Clause
Technically, the underlined clause can stand alone as an independent clause. But if it putted together like this, it act as a noun
hope this helps
In the opening of the Declaration of Independence, Thomas Jefferson introduces the distinctly American political thought of "personal liberty," since this is what the colonists felt had been violated by the British.
The positive connotation for noisy it think would be "participative".
The definition, according to Merriam-Webster is as follows:
Definition of participative<span>. : relating to or involving participation; especially : of, relating to, or being a style of management in which subordinates participate in decision making.</span>