After a long awaited time, he was elected _ speaker of the assembly.

Explanation

"After a long awaited time, he was elected speaker of the assembly."Here's why:- No article is needed before "speaker" because it's a title or position, and titles typically don't have articles.- The sentence is announcing that he was elected to a specific position, and the lack of an article emphasizes the official nature of the title.In this context, "speaker of the assembly" is a title, and it's common to omit articles before titles, making D) no article the correct answer.