In Your Factorial ANOVA, When You Discover That Your Main

In your factorial ANOVA, when you discover that your main effect is not significant, what should you do next?

A) Use means to interpret which condition has a significantly higher score.
B) Conduct further analyses to breakdown the main effect.
C) There is no need to include any interpretation beyond conducting planned contrasts or post hoc contrasts which depends on the type of hypothesis stated.
D) There is no need to include any directional interpretation beyond stating that there is no significant effect.