Which of the following is not an appropriate reporting option one component Auditors are involved in the audit of group financial statements assuming that the component Auditors work did not identify any issues affecting the group Auditor's report?
a. issue a standard (unmodified) report that does not reference any involvement by the component auditors
b. identify the component Auditors by name and present their report along with the group Auditor's report
c. refer to the component Auditors work and disclose the extent of their work in the group Auditor's report
d. disclaim an opinion on the portion of the financial statements examined by the component auditors