Question 1143914

First, you have {{{2}}} straight lines. They would have at most {{{one}}} common point. 
Next, add one more line. This new line can intersect both existing lines, adding {{{2}}} points to the set of common points. 

Finally, add one more line. This new line can intersect all existing {{{3}}} lines, adding {{{3}}} points to the set of common points. 

So in total, we have {{{6}}}.

answer:

B) {{{6}}}