Answer:
I think its A but I'm not 100% because there is no paragraph present
Volunteering is a very nice thing to do
I believe you have a typo when it comes to the first option - it should be athletics, not athletic. The word athletic is an adjective, and the word athletics is a noun.
That being said, the correct answer is A. athletics. Even though this noun ends in -s, it is still singular. The rest of the options are all plural nouns.
The first word in the sentence is a pronoun- not an adjective.
The second option - Australian is in fact an adjective, it gives some information about the terrier.
the second option - children - is a noun, so it is not an adjective.
And the last option is a verb,
So the correct answer is B - this is the only adjective.
A centrally planned economy oppose these basic economic characteristics- Property owned by private individuals, Market pricing determination by supply and demand forces, encouragement of competition among the companies and providing a wide range of choice to consumer.