Many forests contain a mix of deciduous and coniferous trees. Generally, deciduous trees lose their leaves in autumn, _________ conifers remain green throughout the winter, ensuring some cover year-round.
4
writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
while
B
unless
C
instead
D
because
Correct Answer: A
Choice A is the best answer. "While" indicates a contrast between the behaviors of deciduous and coniferous trees.
Choice B is incorrect because "unless" suggests a condition. Choice C is incorrect because "instead" is an adverb. Choice D is incorrect because "because" suggests a cause-and-effect relationship.