Which of the following is a true statement concerning that auditor's report on comparative financial statements?

Select one:

a.A continuing auditor may, under certain circumstances, express an opinion different from the previous opinion.

b.The report should not express an opinion different from that previously expressed on the statements of a prior period because the differences would lessen the public's confidence in the integrity of the auditor and any specialists that were engaged.

c.A predecessor auditor may reissue the report on the financial statements of a prior period provided (s)he obtains a letter of representation from the successor auditor and refers to the work of the successor auditor in a comfort letter.

d.If the financial statements of the prior period have been audited, but those of the current period have not, the auditor should update the report on the prior period and include as a separate paragraph in the report a disclaimer of opinion on the unaudited financial statements.