When Auditing Financial Statements, Which Approach Should the Auditor Take

When auditing financial statements, which approach should the auditor take with regards to fraud?

A) They should consider the possibility of the financial statements containing a material misstatement because of fraud.
B) They are not responsible to detect fraud and therefore can ignore it.
C) If the client is new, they should assume fraud is probable.
D) They should only consider fraud if they uncover evidence that it is actually occurring.