接触动物粪便污染的土壤引起的疾病是（）

A.伤寒

B.痢疾

C.肉毒中毒病

D.破伤风

E.钩端螺旋体病

An investor can exit a forward position prior to contract expiration by all of the following methods EXCEPT()

A. entering into an offsetting contract with the original counterparty or a second (different) counterparty. 

B. exercising the early delivery option. 

C. making a cash payment or accepting a cash payment by agreement with the original counterparty.