参考答案：A

解析：理解推断。根据原文“The second was his father，because Henry would not leave until his father’s name，and the names of the five others，were put in the book．”，译文为：第二个是他的父亲，因为直到他父亲的名字还有其他五个人的名在被登记在册，他才会离开。据此可以推断出亨利的父亲和同去的五个人都注册了选举权，所以题干表述是正确的。