On June 9, 20X3, Goren & Eames, CPAs signs an initial engagement letter with their new audit client Wolf Enterprises. On August 11, 20X3, Goren & Eames CPAs's personnel begin the audit work. On September 20, 20X3, the audit field work is completed. The audit report, dated September 20, 20X3, is delivered to Wolf Enterprises management on October 11, 20X3. Kevin Stabler, the lead engagement partner on the Wolf Enterprises, attends the Wolf Enterprises stockholders' meeting on November 11, 20X3 and answers questions from the audience with respect to the Wolf Enterprises audit. On December 16, 20X3, Goren & Eames, CPAs delivers the required income tax returns to Wolf Enterprises. 

What is the period of the professional engagement between Goren & Eames, CPAs and Wolf Enterprises?

A) August 11 20x3 to December 16, 20x3

B) June 9, 20x3 to date

C) June 9, 20x3 to November 11, 20x3

D) June 9, 20x3 to December 16, 20x3

E) June 9, 20x3 to October 11, 20x3