The distance of the point having position vector \( - \hat i + 2\hat j + 6\hat k\) from the straight line passing through the point (2, 3, -4) and parallel to the vector, \(6\hat i + 3\hat j - 4\hat k\) is:

• A. 7
• B. \(4\sqrt 3 \)
• C. 6
• D. \(2\sqrt {13} \)