The curves of a river ______ its sinuosity index, a ratio that compares the winding length the river travels to the straight-line distance between the river’s beginning and end.

Which choice completes the text so that it conforms to the conventions of Standard English?
Choose 1 answer:
Choose 1 answer:
(Choice A) determine
A
determine
(Choice B) has determined
B
has determined
(Choice C) determines
C
determines
(Choice D) is determining
D
is determining

1 answer