求助语法题

Lois6669

Having the right hand and arm being crippled by a sniper's bullet during the First Word War, Horace Pippin, a Black American painter, worked by holding the brush in his right  hand and guiding its movements with his left.     
(A) Having the right hand and arm being crippled by a sniper's bullet during the First  World War     
(B) In spite of his right hand and arm being crippled by a sniper's bullet during the First  World War     
(C) Because there had been a sniper's bullet during the First World War that crippled his right hand and arm
(D) The right hand and arm being crippled by a sniper's bullet during the First World War     
(E) His right hand and arm crippled by a sniper's bullet during the First World War

A为什么错了 ？

Bufo marinus toads,fierce predators thay will eat frogs,lizards,and even small birds,are native
to South America but were introduced into Florida during the 1930's in an attempt to control
pests in the state's vast sugarcane fields.
(A)are native to South America but were introduced into Florida during the 1930's in an
attempt to control
(B)are native in South America but were introduced into Florida during the 1930's as attempt
to control
(C)are natives of South America but were introduced into Florida during the 1930's in an
attempt at controlling    
(D)had been native to South America but were introduced to Florida during the 1930's as
an attempt at controlling    
(E)had been natives of South America but were introduced to Florida during the 1930's as an attempts at controlling


希望能有详细的讲解 谢谢啊