When One Variable Precedes the Other in Time and the Correlation

When one variable precedes the other in time and the correlation between them is high, which statement can be made with confidence?

A) The variable that comes earliest in time causes the other variable.
B) There is a high level of association between the two variables.
C) The two variables have an association with an outcome variable.
D) There are no extraneous variables at work in the situation.