<span>Dwight D. Eisenhower</span>
The answer is D. Statistical Source.
When looking for data involving numbers or statistics, it is best to consult an updated statistical source. Information found in social media website may not be accurate and data from newspapers may not be updated.
<span>There are many verbs which you can use to denote the meaning of "to talk on and on." Here are some of those verbs: ramble, babble, digress, meander, chatter, drift, stray, blubber, blab, prattle, and so on. All of these verbs have similar meaning, which is to talk incessantly, without stopping. Hope I helped! :) Cheers!</span>