If a Basalt Body Cuts Across a Fault,what Are the Relative

If a basalt body cuts across a fault,what are the relative ages of the basalt and the fault?

A) The fault must be older,according to the principle of cross-cutting relationships.
B) The basalt must be older,according to the principle of cross-cutting relationships.
C) The basalt must be older,according to the principle of original horizontality.
D) Their relative ages cannot be determined from the information given.