The four sentences labelled A, B, C and D, given below in jumbled order, together form a coherent paragraph. Arrange the sentences in the most logical order and choose the sequence that produces the best paragraph.

A. As a result, waiting periods for popular models now stretch to several months.
B. Electric two-wheelers have moved from a niche curiosity to a mainstream choice in Indian cities.
C. Rising fuel costs and falling battery prices have accelerated this shift.
D. Manufacturers, caught off guard by the surge, are scrambling to expand capacity.