______ ancient Egyptians had access to sophisticated mathematics, they were able to construct the pyramids with remarkable precision.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
And
- B
However
- C
Despite
- Dcheck_circle
Because
Explanation
"Because" introduces a dependent clause expressing cause, properly punctuated with a comma before the main clause. "Despite" must be followed by a noun phrase; "However" requires different punctuation; "And" is coordinating, not subordinating.