Named for the capital of Belgium, Brussels sprouts, which at its fullest growth scarcely exceeds a large walnut in size, are immature buds shaped like tiny cabbages.


A. which at its fullest growth scarcely exceeds a large walnut in size
B. which at its fullest growth scarcely exceed a large walnut in size
C. which at their fullest growth scarcely exceeds a large walnut in size
D. which at their fullest growth scarcely exceed a walnut's large size
E. which at their fullest growth scarcely exceed a large walnut in size