What Can We Conclude If We Reject the Null Hypothesis

Multiple Choice

What can we conclude if we reject the null hypothesis in an independent-samples t-test?

A) It is likely that sampling error accounted for the differences between the sample means.
B) It is likely that the sample means came from the same population.
C) The difference between our sample means is unlikely to be representing zero difference in the population means.
D) The difference between our sample means is merely a poor representation of zero difference in the population means.