It has been years that I have waited to see a boat like this, therefore I will buy it regardless of our being able to afford it or not.
选项：

A: It has been years that I have waited to see a boat like this, therefore I will buy it regardless of our being able to afford it or not.
B: Since I have waited years to see a boat like this, so I am buying it now whether we can afford it.
C: Since years up to now, I have waited to see a boat like this, so I am going to buy it whether we can afford it or not.
D: I have waited years to see a boat like this, so I am going to buy it whether we can afford it or not.
E: Having waited for years to see a boat like this, therefore I am going to buy it regardless of whether we can afford it.