Correct option is A
The correct option to fill in the blank is (a)
shows.
"Data" is a plural form but often treated as
uncountable/singular in modern usage when referring to information collectively. Hence, the
singular verb "shows" is correct.
Example: The data shows a steady increase in rainfall.
Explain why other options are incorrect:
· (b) are being show – incorrect tense and form
· (c) show – plural verb; not used with uncountable "data" here
· (d) have been showing – continuous tense not required contextually
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Information Booster: “Data” is now often treated as
singular non-count noun, especially in scientific contexts.