Choose the word that best completes the sentence below. the dolphin lives in the sea, it is not a fish - it's a mammal.
a. so that
c. although
b. whether
d. after

Although is the only one that makes sense. try reading the sentence with each choice in the blank :)

The american colonists strongly opposed the tax laws imposed by the british government. the american colonists were angered by the presence of british soldiers who had found employment in america