Option A: Invalid
The statement is a case of absence of definition in the pattern of response as it does not differentiate the answer from the underlined statement.
Option B: Invalid
Here, the preposition ''to'' can/may only be used in a context of preference. E.g. '' i Refer rice to Beans''. The mistake he made is the point of discuss and not of his preference had changed.
Option C: Invalid
Here, is a case of direct substitution or replacement which would make the word ''as'' as fitting as possible in the statement profile. it is correct to an extent but not the most correct.
Option D: Valid
This statement is the most accurate because of the use of the preposition ''for'' which categorically explains vividly what really happened.
Option E: Invalid
Too much complexity herein, not straightforward and grammatically obsolete, much over-specification.