Greeting's!
<span>d. josef walked on the beach, and he also swam in the ocean.
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True! By using standard speech, the majority of your audience would be able to understand it.
D is your answer as the sentence is in present tense.
Nowadays, it remains possible to exercise such control over population. This might be accomplished by exercising control over information.
Any organization that controls media has power over what people do and how they perceive and think about the world they live in, since they can easily manipulate the information people receive.
By manipulating this information, governments and institutions can gain power that results in control of everything that is being thought, said and done, and thus, they can manipulate past events as well as future events moved by their own individual interests, especially economic interests.