There is a $$4$$-digit number.  The first digit and the last digit of the number are even.  The difference between the first digit and the last digit of the number is $$2$$.  The digit in the hundreds place is the sum of the digit in the thousands place and tens place.  What is the number? 
选项为:A:$$4532$$  B:$$4732$$  C:$$6734$$  D:$$6932$$  请回答其中一个选项.