Which one of the following statements is correct regarding blood pressure?

1. A
   $190/110\text{mmHg}$ may harm vital organs like brain and kidney
2. B
   $130/90\text{mmHg}$ is considered high and requires treatment
3. C
   $100/55\text{mmHg}$ is considered an ideal blood pressure
4. D
   $105/50\text{mmHg}$ makes one very active