下列关于BBT的临床应用描述，错误的是（）

A.双相型提示有排卵

B.单相型提示无排卵

C.高温相持续3周以上，提示有可能妊娠

D.高温相持续时间短于11日，提示黄体萎缩不全

E.可以精确确定排卵日

During a recent meeting of the board of the directors of a company its future prospects were discussed. The chairman informed the rest of the board (composed of five members) that the company was heading towards a state of insolvency. The chairman, nonetheless informed the board that the company had continued to trade over the past months and that he recommended the acquisition of a large investment and requested that the said investment be approved by the board. The transaction was approved. There was one director, Mr Jones, who dissented in view of the company’s precarious financial position and the substantial debts the company had accumulated over recent years.Required:

(b) Explain the defences the dissenting director, Mr Jones, could raise if he were also to be held liable for wrongful trading or fraudulent trading. (4 marks)