AX, BY and CZ are the medians of \[\Delta \,ABC\] intersecting at O. If CK is drawn parallel to BY to meet AX in K, then AO is

AX, BY and CZ are the medians of \[\Delta \,ABC\] intersecting at O. I

1.	AX, BY and CZ are the medians of \[\Delta \,ABC\] intersecting at O. If CK is drawn parallel to BY to meet AX in K, then AO is
A.	\[\frac{1}{4}\,AK\]
B.	\[\frac{1}{2}\,AK\]
C.	\[\frac{1}{3}\,AK\]
D.	\[\frac{2}{3}\,AK\]
Answer» C. \[\frac{1}{3}\,AK\]