What is the most effective way to revise sentence 6?
A Each day the penguins that leave their burrows head out to sea for spending the day swimming and
feeding
B Each day the penguins head out to sea to spend the day swimming and feeding, leaving their burrows.
C Each day the penguins leave their burrows they head out to sea to spend the day swimming and feeding.
D Each day the penguins leave their burrows and head out to sea to spend the day swimming and feeding,
(5) Thousands of tiny fairy penguins nest in burrows along the shoreline of
Australia. (6) Each day the penguins leave their burrows, and out to sea they head
to spend the day swimming and feeding. (7) But in the late 1990s and early 2000s,
a number of oil spills in the region threatened the very existence of these birds.
(8) Experts tried to help, but they couldn't get to all the birds fast enough. (9) Some
penguins would try to groom themselves. (10) They swallowed the toxic oil and
died. (11) Knits for Nature formulated a unique plan. (12) They asked volunteers to
knit sweaters for the penguins to wear (13) The sweaters would not only protect the
birds from the oil but would also keep them warm while they waited for their turn to
be cleaned.
