Answer: Since there is no article for this then I'm guessing B because it is more logical than the other options.
Explanation:
Actually, yes, this is true. Let's look at some examples with the word "all" to see if it agrees with verbs in singular or in plural:
All is lost
All is well
All is arranged already.
All of it is nice
This shows us that "all" agrees with verbs in singular form: the correct answer is a) True.
Answer: im guessing oils
Explanation: if its not an answer choice then idk
Idk what you mean by this