Answer:
In Spanish the interrogative words are used to initiate a question and request information about someone or something (although they are also used in exclamations).
The interrogative words are listed as follows:
-quién, quiénes (who) is used to ask or request information about people.
-qué (what) is used to ask about things.
-cuál, cuáles (which) it is used to request information from a selection of a real or imaginary list.
-cuánto, cuántos; cuánta, cuántas (how many) they are used to ask about a quantity or quantities.
-cuándo (when) is used to ask about a moment in time.
-dónde (where) is used to ask about places.
-cómo (how) is used to ask questions like 'in what way' or 'how'
Hence, according to the explanation above, the right options are:
qué
cuándo
dónde
cómo