ZIM Forum - Diễn đàn hỏi đáp Tiếng Anh

[I] ' My parents couldn't afford a motorbike or car. Most residents used to get around by bicycle or on foot said an 80 year-old visitor.[II] Trams which began service in 1901,were a popular means of public transport until 1901.[III] Buses were not very frequent then.[IV] People lived and worked in low-rise buildings. The city was fascinating mixture of French colonial buildings and traditional Eastern architecture.

Question: Where in paragraph does the following sentence best fit? Transportation options were limited,as few people owned vehicles at the time A. [I] B. [II] C. [III] D. [IV]