Answer:
D). The result of Mead's fieldwork was a tremendously successful book, Coming of Age in Samoa.
Step-by-step explanation:
Appositives are described as the noun or pronoun that function to define the other noun placed right beside it. Appositive phrases are described as the phrases that includes appositives along with the modifiers. These phrases serve to modify or qualify the another noun it precedes.
As per the question, the sentence that most effectively employs an 'appositive phrase' is displayed through option D as it includes as the noun phrase 'The result of Mead's fieldwork was a tremendously successful book' redefines the noun 'coming of age in Samoa' and modifies it. Thus, option D is the correct answer.