单选题
The root systems of certain plant families, such as that of tulips and crabgrass, ______underground, so that nutrients may be shared along______network.
A、
(A) burrow … a cavernous
B、
(B) tangle … a deciduous
C、
(C) cozen … a photosynthetic
D、
(D) fuse … a subterranean
E、
(E) abscond … a perennial
【正确答案】
D
【答案解析】
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