When William Was 19 Years-Old,he Was Swarmed by a Group

When William was 19 years-old,he was swarmed by a group of boys after work,late at night.The boys held William down,stripped him,and simulated anal and oral sex against him.Which of the following answers indicates the difference between how the criminal law was relevant to William in 1982 compared to today?

A) The law in 1982 and today are the same.William's experience was scary but it was not a sexual assault because there was no anal penetration.
B) In 1982,the law did not recognize sexual assault on a man and because he was not anally penetrated.Today,the laws would recognize William's experience as sexual assault.
C) The law works the same for William in 1982 and today;his experience would be considered a sexual assault.
D) The law between 1982 and today changed in terms of sexual assault,but this is a case of pure violence and would not be prosecuted as sexual assault.