Identify the correctly punctuated sentence.
a. michael dorris's book the broken cord made readers more aware of the problem of fetal alcohol syndrome, one of his adopted sons was diagnosed with this condition.
b. johnny cash auditioned for a record producer, singing mainly gospel tunes, was told to come back with new material.
c. agent orange is believed to be the cause of some illnesses suffered by veterans was widely used in chemical warfare in vietnam.
d. one day nick's roommate brought home a ferret; he'd seen it at a pet store and couldn't resist it.

The correctly punctuated sentence is "One day Nick's roommate brought home a ferret; he'd seen it at a pet store and couldn't resist it."

Explanation:

Option D is the only sentence that is punctuated correctly and has no grammatical errors, The other options have missing parts of speech like relative pronouns (Who, Which) or are lacking punctuation marks like commas, semicolons, and quotation marks."One day Nick's roommate brought home a ferret; he'd seen it at a pet store and couldn't resist it." is a correct sentence.

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.

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