|Question 20Verbal

Source Texts

Text
For Spain, a member of the North Atlantic Treaty Organization (NATO) since 1982, NATO's principle of collective defense confers both benefits and ________ organization's many members, nations as disparate as the US and Slovenia, are all bound to defend Spain, the reverse is also true.
Which choice completes the text so that it conforms to the conventions of Standard English?
obligations; the
A
obligations. The
B
obligations, while the
C
obligations: while the
D