Explanation:

Option b is correct: Cool Temperate Eastern Margin or Laurentian type of climate is an intermediate type of climate between British and Siberian type of climate. It has features of both continental and maritime climate. It is found in only two regions North American region and Asiatic region. In southern hemisphere the climate type is nearly absent because only a small section of southern continent extends south of latitude 40S. So only possible location is Patagonia, but climatic barrier is so complete that region is subjected to aridity rather than continentality. Elsewhere in southern hemisphere the climatic conditions are so equable and oceanic influence is so profound that neither continentiality nor eastern margin type of climate exist. They have Cold dry winters and warm wet summers, though rain falls throughout the year there is a distinct summer maximum