48. It can be concluded from the passage that lighthouses with day-marker patterns would most likely be found in areas where _____.
(A) the weather is frequently bad
(B) the structures themselves cannot be easily seen by passing mariners
(C) there are not many lighthouses
(D) there are a number of lighthouses with similar structures

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統計： A(5), B(58), C(10), D(69), E(0) #593191

yeah

B1 · 2017/06/16

#2272000

A day marker is the daytime identifier to convey the daylight hours to mariners.
(definition from Wikipedia)

題幹: "...most likely be found in areas where _____"

文本內容: "In the daytime lighthouses can usually be identified by their structure alone..." 敘述有關lighthouses的典型樣貌

故可推論答案(D)there are a number of lighthouses with similar structures