What Is the Test for Dishonesty Under the Fraud Act

What is the test for dishonesty under the Fraud Act 2006?

A) The test is whether the jury believed that deception took place
B) D is dishonest if ordinary decent people would find D's conduct dishonest
C) Dishonesty is a question of law for the judge to decide
D) . D is dishonest if the honest and reasonable person regards what D did as dishonest, and D realises that the honest and reasonable person would regard his conduct as dishonest