_____ all the difficulties, the researcher continued her research.

• A、In case of

• B、 In spite of

• C、Because of

• D、Instead of

56.（）

What is true about today' s communication through social media?

• A、It causes more health risks.

• B、It gives litle communication context.

• C、It leads to better relationships.

• D、It improves the quality of interaction.