Osherow Notes That After the Jonestown Mass Suicide, Cults and Unusual

Osherow notes that after the Jonestown mass suicide, cults and unusual religious practices came under close media scrutiny. One result of this was that many "untraditional" religious practices were seen as dangerous. According to the article, which of the following questions can serve as a basis for distinguishing between beneficial alternative lifestyles and dangerous cult practices?

A) Does membership in a group close off other life choices?
B) Is the group committed to "revolutionary actions"?
C) Is individual responsibility preached as part of the religious doctrine?
D) Is there a single leader who controls the group?