Answer:
CThe taxpayer lacks standing to challenge the expenditure.
DThere is no diversity in this suit because the spending appropriation being challenged is federal, and the plaintiff is a citizen of the United States.
Step-by-step explanation:
The taxpayer doesn’t have the right to challenge any expenditure by the Congress as they represent a majority of the people already which means majority of the people are in support of the appropriation.
There is also no diversity in this suit because the spending appropriation being challenged is federal, and the plaintiff is a citizen of the United States.