患者，女，12岁，恒牙合基本中性牙合；上前牙Ⅲ度拥挤，左上中切牙及右上侧切牙与下颌四颗切牙形成反牙合，间隙不足，下切牙Ⅰ度拥挤。

若采用方丝弓矫治器，第一阶段矫治初始采用的弓丝为（）

A.0.014英寸不锈钢丝

B.0.016英寸不锈钢丝

C.0.016英寸×0.022英寸不锈钢丝

D.0.018英寸镍钛丝

E.0.016英寸镍钛丝

Consider a 1-year quarterly-pay $1000000 equity swap based on 90-day London Interbank Offered Rate (LIBOR) and an index return. Current LIBOR is 3.0 percent and the index is at 840. Below are the index level and LIBOR at each of the four settlement dates on the swap.

A．

B．Q₁

C．Q₂

D．Q₃

E．Q₄

F．LIBOR

G．3.2%

H．3.0%

I．3.4%

J．3.9%

K．Index

L．881

M．850

N．892.5

O．900