This question examines the ability to discern the author's attitude through the use of a specific phrase. The correct answer is 'C. Strong disapproval', as 'too much...to...' is a phrase that indicates an excessive amount leading to a negative outcome, suggesting disapproval. Option A is the opposite of the correct answer. Option B suggests a lack of opinion, which is not the case with 'too much...to...'. Option D indicates a lighter form of doubt, which is not as strong as the disapproval implied by the phrase.