<span>The question requires us to choose which among the given choices is not true. The answer is the second choice, "Accidents happen, so it is not necessary to prepare for them". Even if how unpredictable the nature of the accident is, we are still required to prepare for them in order to lessen the expected damages not only to properties but to the persons as well. </span>
A is the answer. B has a 'plural verb' and a singular subject, as does C. D has a plural subject and 'singular verb'
The students were punished for a nonviolent expression of their views.