Suppose the Government Has a Budget Deficit of $2 Billion

Suppose the government has a budget deficit of $2 billion. If the Ricardo-Barro effect is correct,
Then how much crowding out of investment occurs?

A) exactly equal to $2 billion dollars
B) some crowding out occurs, but less than $2 billion
C) more than $2 billion
D) No crowding out occurs and investment does not change.
E) No crowding out occurs because investment increases by $2 billion.