TOEFL Grammar - Choose the right word

Choose the correct word for the following sentence:
Miniaturisation has made it possible to _____________________ very small devices, such as smartphones and tablets, the processing power and memory of computers.A. include
B. integrate into
C. contain in
D. enclose
Miniaturisation has made it possible to integrate into very small devices, such as smartphones and tablets, the processing power and memory of computers.
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