A. Goods may constitute collateral, but indispensable paper, intangibles, and proceeds may not.
B. Goods, indispensable paper, and intangibles may constitute collateral, but proceeds may not.
C. Goods and intangibles may constitute collateral, but indispensable paper and proceeds may not.
D. Goods and proceeds may constitute collateral, but indispensable paper and intangibles may not.
E. Goods, indispensable paper, intangibles, and proceeds may all constitute collateral.