单选题 13. As the world's smallest continent and sixth largest country by total area, Australia ______ its size and isolation—is often called the "island continent".

A、 owing to
B、 in spite of
C、 in the shape of
D、 on behalf of

【正确答案】 A

【答案解析】 句意：作为世界上最小的大陆和总面积第六大的国家，澳大利亚凭借其地理的广袤性和孤立性，常常被称作“岛陆”。owing to由于；幸亏。in spite of尽管；虽然。in the shape of以…的形状。on behalf of代表。