Read the following article and answer the question by choosing from the options.

Never mind the signs out side saying , " No photographs . " Well , as he reminded us at the end of the tour , " Do n't tell anyone you took pictures . " The final stop at this point was the Tomb of Ankima - Hor who was a physician . The reliefs on his tomb showed various operations including a sequence of a cow getting sick , being brought to the doctor , and the doctor operating . ( I was focused on getting the kids in the pictures so I did n't get any of the best reliefs which is probably a good thing . )

Why did he tell you to not tell anyone you took pictures ?
Available options: A). He told us to not tell anyone we took pictures because the tour showed classified medical records of Ankima B). None of the above choices . C). He told us to not tell anyone we took pictures because the sign in the tomb forbade them . D). He told us to not tell anyone we took pictures because he let us even though we were n't supposed to ....A:
D).