5. Carbon-14 dating reveals that the megalithic monuments in Brittany are nearly 2,000 years as old as any of their supposed Mediterranean predecessors.
A. as old as any of their supposed
B. older than any of their supposed
C. as old as their supposed
D. older than any of their supposedly
E. as old as their supposedly
1.
为什么要是than，不可以是as…as呢？ 比较结构： A more than B or A as + adj+ as B. （as.. as 结构的平行问题）在A as + adj+ as B 的形式中， A/B 要是同类而且对称的。逻辑意思决定选择比较结构：2000 years 和Mediterranean predecessors. 不对等，不能用 as old
nearly 和 predecessor 都暗示此处要选择 more .. than结构
如果要表示对等，应该是A is nearly 2000 years old, as old as any of ….
这道题用比较级的关键在于划线部分前面是2,000 years ，如果不是比较级，前面不能放 2.000 years
2
修饰：形容词修饰名词性短语， 副词修饰动词/形容词, Mediterranean predecessors. 是名词性短语，用形容词修饰
3.
保持原句意思平行结构改成分词修饰结构会改变原句的意思。
