单选题 An analyst does research about securities market indices and gathers the following information is about a value-weighted index comprised of three non-dividend paying stocks:

	31 December 2011		31 December 2010
Stock	Share price	Outstanding shares	Share price	Outstanding shares
1	$23.00	3400	$25.50	3400
9	$19.50	6600	$16.00	6600
3	$33.00	4600	$20.50	9200

If the index value on 31 December 2010 was 102.5, the index value on 31 December 2011 is closest to:
A. 99.7
B. 96.5
C. 108.8

【正确答案】 B

【答案解析】[解析] 102.5×(23.00×3400+19.50×6600+33.00×4600)/(25.50×3400+16.00×6600+20.50×9200)
=102.5×358700/380900=96.5。