It would be letter a, since an interrogative sentence is question. Since the first answer is the only one with a question mark, the answer is a.
The subject is Cynthia, the verb is “is”, the predicate noun is singer, and the adjective is excellent. Hope this helps!
The other option of the answer
If you have to much food or if your young
Answer:
1. DIDN'T you hear that the exam was changed to next week?
2. IT'S a very bad idea to get into a car if the driver has been drinking.
3. WHO'S having the party tonight?
4. Have you made a decision whether YOU ARE going to go to university or go backpacking in Europe?
5. Did you know that THEY'RE leaving the city for good?
Explanation:
"It's" (means it is) and "Didn't" (means did not) and "Who's" (means who is) and "You" (means You obviously) lol and "They're" (means they are)
Hope this helped! :)) ur questions are so easy lolllll