2. (10 points) Xiao Ming has several 1 yuan, 2 yuan, and 5 yuan RMB notes. He wants to use no more than 10 RMB notes to buy a kite priced at 18 yuan, and he must use at least two different denominations. How many different payment methods are there? ( )
A. 3
B. 9
C. 11
D. 8
【Analysis】Discuss in three cases: no more than 10 notes
(1) 1 yuan and 2 yuan; (2) 1 yuan and 5 yuan; (3) 2 yuan and 5 yuan, discuss based on the number of notes and the final value being 18 yuan.

【Solution】Solution: (1) 1 yuan and 2 yuan: 8 notes of 2 yuan, 2 notes of 1 yuan
(2) 1 yuan and 5 yuan: 2 notes of 5 yuan, 8 notes of 1 yuan; 3 notes of 5 yuan, 3 notes of 1 yuan
(3) 2 yuan and 5 yuan: 2 notes of 5 yuan, 4 notes of 2 yuan
(4) 1 yuan, 2 yuan, and 5 yuan:
3 notes of 5 yuan, 1 note of 2 yuan, 1 note of 1 yuan
2 notes of 5 yuan, 3 notes of 2 yuan, 2 notes of 2 yuan
2 notes of 5 yuan, 2 notes of 2 yuan, 4 notes of 1 yuan
2 notes of 5 yuan, 1 note of 2 yuan, 6 notes of 1 yuan
1 note of 5 yuan, 6 notes of 2 yuan, 1 note of 1 yuan
1 note of 5 yuan, 5 notes of 2 yuan, 3 notes of 1 yuan
1 note of 5 yuan, 4 notes of 2 yuan, 5 notes of 5 yuan
In total: $1+2+1+7=11$ (ways)
Therefore, the answer is: $C$.