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Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. What are these two basic skills?

ADescribing people and writing conversation
BDoing interviews and browsing through books
CUsing the Internet and the online catalog
DDoing research and organizing your ideas

Verified Answer :

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D. Doing research and organizing your ideas

Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. 
NOT:
A. Describing people and writing conversation 
B. Doing interviews and browsing through books 
C. Using the Internet and the online catalog