题目选项分析

Many New Yorkers are horrified when they hear people say they have often dived from boats into the Hudson River or swam in its murky waters, to participate in some athletic event, like a triathlon.

Many New Yorkers are horrified when they hear people say they have often dived from boats into the Hudson River or swum in its murky waters, as participants in an athletic event, such as a triathlon.