The sentence, if added after sentence 4, helps explain Joe's surprise is option B: Joe was not expecting a party; he had just come from a small celebration with his family.
This is seen as an exam in which the participant must finish a sentence by adding the precise word or phrase that is missing. Usually, the test is used to assess personality. An opening sentence is given to the participant, who is free to react whatever they like.
When a person perceive sentence completion questions, you must substitute the missing word(s) from the reading text with an appropriate word(s). The finalized phrase ought to be grammatically correct.
Therefore, the ability to appropriately finish difficult and incomplete sentences is tested through sentence completion exercises. It evaluates a candidate's vocabulary proficiency and sentence-logic understanding.
The above option is correct because it best explain the shock that Joe was in.
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