An auditor identified a significant deficiency in internal control in December. The client was informed and the client corrected the significant deficiency shortly before year$-$end $($December $31)$; the auditor agrees that the correction eliminated the significant deficiency as of December $31.$ The appropriate audit report on internal control under a PCAOB Standard No$.5$ audit of internal control is:

Multiple Choice

Adverse.

Unqualified.

Unqualified with explanatory language relating to the significant deficiency.

Qualified.