I do n't want the Children to have to stand there the whole time . " ~The rattling of the train matched the frantic pata - pata - pata of Eight 's heart and the pulse he could feel through Twelve 's sweaty palm . The last time he had been on a train had been only two months ago- two months ago . He felt like it was years and years .

Question with options to choose from: what is the reason I would n't want the children to stand the whole time ?
Options:
(a). None of the above choices .
(b). it is against the rules for children to stand .
(c). Children are n't old enough to " take a stand " .
(d). The children will grow bored and will start to complain and make others miserable .
(d).