Subtropical Plants Are Commonplace in Land's End, England, However, at the Equivalent

Multiple Choice

Subtropical plants are commonplace in Land's End, England, however, at the equivalent latitude of Labrador in coastal Canada, the local flora is instead subarctic. Which statement best explains why this apparent anomaly exists between North America and Europe?

A) Labrador does not get enough rainfall to support the subtropical flora found in Land's End.
B) Warm ocean currents interact with England, whereas cold ocean currents interact with Labrador.
C) Rainfall fluctuates greatly in England; rainfall is consistently high in Labrador.
D) Labrador receives sunlight of lower duration and intensity than does Land's End.