Investing in futures is

a. investing in physical goods

b. entering into contracts for future delivery

c. executing contracts for prior delivery

d. selling a contract in anticipation of

b. entering into contracts for future delivery

Explanation:

Investing in futures is entering into contracts for future delivery. This is because a futures contract - which can be about various different assets such as equities, bonds, cryptocurrency, or even other physical assets such as corn or wheat - are contracts that you enter expecting prices to rise in the future and which you can sell when the contract matures.