Below the Third Table in a Research Report, Concerning Switching

Below the third table in a research report, concerning switching infants to cow's milk at 6 months of age instead of 12 months, is a notation: "t(22) = -0.76, p = .41" What does this mean?

A) A t-test was performed.
B) Apparently 24 subjects participated in the study.
C) There was a difference between groups.
D) The difference between groups was not statistically significant.
E) If there was an intervention, the intervention was more effective than the control condition.
F) The results are generalizable.
G) The researcher failed to reject the null hypothesis.
H) A Type I error occurred.