1. A perfect square number has its first two digits as 19 and the last two digits as 95. Then such a perfect square number ( ).
(A) does not exist
(B) has only one
(C) has two
(卫) 葆个.以.亡.

Note: The last option (卫) 葆个.以.亡. seems to be in Chinese and does not have a clear English translation. It might be a typo or an error in the original text.
-1 (A).
Obviously, the unit digit of the arithmetic square root of this square number is 5. Let's assume it is $10a+5$, then $(10a+5)^2=$ $100a^2+100a+25$, which means the last two digits of this square number can only be 25.