If an Indirect Truth Table Requiring More Than One Line

Multiple Choice

If an indirect truth table requiring more than one line is constructed for either an argument or a series of statements and no contradiction is derived on the first line, then:

A) The argument is valid and the statements are consistent.
B) The argument is invalid and the statements are consistent.
C) The argument is valid and the statements are inconsistent.
D) The argument is invalid and the statements are inconsistent.
E) The second line of the truth table must be completed.