The answer is d. keep. Hope this helps!
<span>1. Which source would provide credible information about early efforts to stop elephant poaching?
</span><span>A book published in 1970 by a soldier trained to protect elephants - since it is early efforts, a book from the 70s will provide enough information, the other options are too contemporary
2. </span><span>Which transition word correctly links the two sentences?
Consequently, because the second sentence is the result of the first one</span>
