_________ we know the chemical compound C9H8O4 as "aspirin" today, it was historically derived from willow bark and used for pain relief for centuries.

8
writing

Which choice completes the text so that it conforms to the conventions of Standard English?

A

Considering

B

After

C

Although

D

Because

Correct Answer: C

Choice C is the best answer. "Although" introduces the concession regarding the name versus the history.

Choice A is incorrect because "considering" is weak. Choice B is incorrect because "after" implies a time sequence. Choice D is incorrect because "because" implies cause.