New Answer - Magoosh GMAT

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Choose the option that best completes the underlined part of the sentence.

Comparing tensile strength, spider's silk is much better at holding its own weight than high-grade alloy steel, and considerably lighter because the organic composition is less dense than the metallic elements.

Comparing tensile strength, spider's silk is much better at holding its own weight than high-grade alloy steel Comparing tensile strength, spider's silk is much better than high-grade alloy steel at holding its own weight Comparable in tensile strength, spider's silk is much better at holding its own weight than high-grade alloy steel Comparable in tensile strength, spider's silk, much better than high-grade alloy steel at holding its own weight Comparable in tensile strength, spider's silk is much better than high-grade alloy steel at holding its own weight