Most stars in our galaxy are part of binary or multiple-star systems rather than orbiting alone like our Sun. Surveys of nearby stars have consistently found that more than half are gravitationally bound to at least one companion. Single stars like the Sun, while common in everyday imagination, are actually a minority configuration.
Which choice best describes the function of the second sentence in the text?
- Acheck_circle
It supports the claim by citing survey results.
- B
It contradicts the claim made in the first sentence.
- C
It defines the term 'binary star'.
- D
It introduces an unrelated star type.
Explanation
Survey statistics underwrite the opening claim about binary prevalence. B captures the supporting function.