Let's run through the available options to see fir ourselves the perfect fit among them.
Option A - INCORRECT speculative as usual. It seeks to say the intent of the statement but not logically as the writer would have preferred it to be written and expressed. It is thus a wrong option.
In Option B - INCORRECT, the sentence line used here could have been better put without the much emphasis placed on it. Using the pronoun "which" seeks to explain something that has been mentioned or talked about previously.
In Option C - CORRECT, "Intended". Short, Precise and accurate are the adjectives to qualify the verb "intended" here in the statement because it captures the mind of the writer of the article in one piece. Just too logical enough.
In Option D - INCORRECT, this is an unnecessary emphasis. Why use "and" again with a "comma (,)" when you are not saying something different from the intended meaning? Another blunder here is the continuous form of "intend" used here. Clearly wrong
In Option E - INCORRECT, "So" can be likened to subsequently, consequently" which means "as a result of". It is not appropriately fitting in the sentence herein. It'd change the entire meaning of the statement.