B.Determined 是对的。

这是be determined to do sth短语做状语时形式-----去掉be动词，保留过去分词形式，做目的状语。

知识点延伸----------

be determined to do ,be located ，be dressed ，be seated...这类短语，做状语时的用法都相似。

Located in the middle of the city,the park attracts thousands of visitors every day.

Dressed in red,she went out.

Seated on the bench,he read a newspaper.

祝你进步