|Question 19Verbal

Source Texts

Text
Scholars Tammy Kernodle and Paul Austerlitz have lent their expertise on Black history and music to an important new project: the Timeline of African American Music, a digital ______ through a rich combination of text, images, and music clips, traces the development of specific musical genres (such as funk and swing).
Which choice completes the text so that it conforms to the conventions of Standard English?
resource, that
A
resource, that,
B
resource that,
C
resource that
D