Select an appropriate sentence from the following list to complete a sentence.
He was the most successful among his peers, surpassing even his own expectations.
Options:
A. He was so proud of himself
B. He was starting to have doubts
C. He was feeling confident
He was the most successful among his peers, surpassing even his own expectations. He was feeling confident.
Complete the following task based on the instruction and optional input provided.### Instruction:
Select an appropriate sentence from the following list to complete a sentence.

### Input:
He was the most successful among his peers, surpassing even his own expectations.
Options:
A. He was so proud of himself
B. He was starting to have doubts
C. He was feeling confident

### Output:
He was the most successful among his peers, surpassing even his own expectations. He was feeling confident.