The straight lines \[\frac{x-1}{1}=\frac{y-2}{2}=\frac{z-3}{3}\] and \[\frac{x-1}{2}=\frac{y-2}{2}=\frac{z-3}{-2}\] are

• A.                                                               Parallel lines
• B.                                                               Intersecting at \[60{}^\circ \]
• C.                                                               Skew lines
• D.                                                               Intersecting at right angle