The auditors of a non$-$public company have substantial doubt about their client's going concern status. The auditors should issue

$q,$

A an unmodified opinion with an emphasis$-$of$-$matter paragraph

$($B$)$ an unmodified opinion with an explanatory paragraph

$($C$)$ a modified opinion with an explanatory paragraph

$($D$)$ a modified opinion with an emphasis$-$of$-$matter paragraph and an explanatory paragraph