【正确答案】 C

【答案解析】[解析] 画线词原形sketch为动词，意为“简述，概述”。A项describe意为“描述，描绘”；例：It is difficult for me to describe this outstanding and dynamic young lady.我很难描写这位杰出的、有活力的年轻女子。B项offer意为“提供，提议”；例：These great works offer us entrancing subjects for study.这些小说巨著给我们提供了饶有兴味的研究题目。C项outline意为“概述，描绘轮廓”；例：The chairman outlined the company's plan for the coming year.董事长概述了公司明年的计划。D项present意为“提出，呈现”；例：The exhibition presented a picture of general prosperity in China's economy.展览会展示了中国经济一片欣欣向荣的景象。故本题选C。