Read the following context and choose the best option to answer the question.
Context: You thought you were done hearing about my summer on Martha 's Vineyard ? Well , you thought wrong ! 3 pairs of sunglasses I lost my first pair of sunglasses during the first week I was there on a trip to South Beach . The waves are rough there ... that beach is not for kids !
Question: Why is South Beach not a suitable place for children ?
Options: 
A. There is no life guard on duty .
B. None of the above choices .
C. Because the force of the waves can injure a child .
D. There have been shark sightings .


C