I think its b
because you can ride SOMETHING
in a way it's dum but it also help them prodict future viruses like them could have predicted the Corona but they was to lazy to identify it.
He needed proof so he used the glass slipper
basically if the glass slipper didn't fit its not her and if it did fit it was her.
so when the slipper fit Cinderella he found out it was her. <span />
A. Leroy is the subject of the sentence
<span>Hrothgar is consumed with grief and unable to defend himself.</span>