What does 6.14 indicate here?

In the User Trace output shows the following message:

What does 6.14 indicate here?
A . Line 6, Column 14 in the CopyMessageHeaders node.
B . Line 14, Column 6 in the CopyMessageHeaders node.
C . Column 6, Line 14 in the CopyMessageHeaders function of MapToRequestor.
D . Line 6, Column 14 in the CopyMessageHeaders function of MapToRequestor.

Answer: B