Para Completion: Confused between the Two Options.
The Polar Basin is
not a flat, unbroken plain of ice. As new ice forms below the old, it
heaves upward, cracking the surface into a tangle of ice floes. Driven
by wind and tide, these floes are forever churning and grinding, now
freezing together, again cracking apart. ______
(A) On occasion, a floe may drift away from this melee.
(B) This renders the area truly uninhabitable.
(C) They form the polar ice pack, a jigsaw puzzle of pinnacles, caverns and precipices.
(D) Thunderous rumbles are heard when this happens.
Para Completion: Confused between the Two Options.
The Polar Basin is
not a flat, unbroken plain of ice. As new ice forms below the old, it
heaves upward, cracking the surface into a tangle of ice floes. Driven
by wind and tide, these floes are forever churning and grinding, now
freezing together, again cracking apart. ______
(A) On occasion, a floe may drift away from this melee.
(B) This renders the area truly uninhabitable.
(C) They form the polar ice pack, a jigsaw puzzle of pinnacles, caverns and precipices.
(D) Thunderous rumbles are heard when this happens.