已知环比增长速度为5.6%. 7.1%. 8.5%. 6.4%,则定基发展速度为( )。
A5.6% ×7.1%×8.5% ×6.4%
B(105.6% ×107.1% ×108.5% ×106.4%) -100%
C(5.6% ×7.1% ×8.5% ×6.4%)-100%
D105. 6% ×107.1% ×108. 5% ×106. 4%
A5.6% ×7.1%×8.5% ×6.4%
B(105.6% ×107.1% ×108.5% ×106.4%) -100%
C(5.6% ×7.1% ×8.5% ×6.4%)-100%
D105. 6% ×107.1% ×108. 5% ×106. 4%