Nhận biết (M1)

Proto-Kru is a protolanguage, or a hypothesized ancestral language, of all the Kru languages (thirty-eight languages that, because __________ descendants of Proto-Kru, can provide information about the protolanguage’s structure).

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

• A.

  its

• B.

  they’re

• C.

  their

• D.

  it’s