Determination of the best mediums to communicate the message and decisions about the ______ of the communication also are important. A: sales B: chances C: materials D: frequency

注：post hoc ergo propter hoc后事伴前事而来：大多数人都相信只要一件事物伴随著另一件事物而来，两件事物之间必然存在著一种关联，使得后者伴随前者出现（post hoc ergo propter hoc—它在那之后而来，故必然是从此而来）</p> According to our conversation with Richard Wiseman, how many people believe is psychics or mediums, and how many people have superstitious beliefs (e.g., touch wood, cross their fingers), respectively?</p> 根据我们与Richard Wiseman的对话，相信通灵师或巫师，或相信迷信想法（例如，搓木头，交叉手指）的人各自占比多少？</p>