Q4:看不懂题目，请大家指教。。。
If the product of the digits of the two-digit positive integer n is 2, what is the value of n ?
(1) n is odd.
(2) n is greater than 20.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ?? | 
