SAT Reading & Writing · Boundaries

The expedition's final report listed everything the team had recovered ______ mineral samples, photographs, and hand-drawn maps of the…

The expedition's final report listed everything the team had recovered ______ mineral samples, photographs, and hand-drawn maps of the cave system.

Which choice completes the text so that it conforms to the conventions of Standard English?

Answer and explanation

Answer: B: , namely,

"Namely, mineral samples, photographs, and hand-drawn maps of the cave system" adds a specifying list to the preceding statement without being essential to its core meaning, and a comma correctly introduces this kind of appositive elaboration when "namely" is used this way. A semicolon requires an independent clause on both sides, and the list following "namely" isn't one. A colon could work in some constructions but doesn't pair as conventionally with "namely" as a comma does when introducing a specifying list like this. No option without any punctuation at all was offered, but the "namely," construction itself signals that a preceding comma sets up the specification correctly.

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