破伤风病人注射大量TAT的目的是（）。

A.中和游离毒素

B.减少毒素的产生

C.中和游离和结合的毒素

D.抑制破伤风杆菌的生长

E.控制痉挛

A forward rate agreement (FRA) :()

A. must consider the creditworthiness of the parties making the deal when determining the rate. 

B. requires the long to pay cash to the short if the rate specified in the contract at expiration is below the current floating rate. 

C. can sometimes be viewed as the right to borrow money at below-market rates.