|Question 19Verbal

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Text
Many folktales that originate in the Hindi language start with a phrase that roughly translates to "in one era." Many tales that originate in English use "once upon a time." Such phrases, known as story starters, ________ from language to language.
Which choice completes the text so that it conforms to the conventions of Standard English?
has varied
A
is varying
B
varies
C
vary
D