Final answer:
The person is facing a poor fitting issue with their false teeth, which can cause difficulty speaking and discomfort while chewing. Hence the correct answer is option C
Step-by-step explanation:
The issue the person is facing with their false teeth is poor fitting. When false teeth do not fit properly, they can cause discomfort while speaking, chewing, or performing other daily activities. This can lead to difficulty speaking and discomfort while chewing.
Hence the correct answer is option C