A recruiter is sourcing candidates for a Senior Software Engineer role requiring expertise in Java and either 'Spring Boot' or 'Microservices'. To minimize irrelevant results from entry-level applicants, which of the following Boolean search strings is most effectively constructed?
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A
Java AND (Spring Boot OR Microservices) NOT (intern OR junior)
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B
Java OR Spring Boot OR Microservices AND Senior
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C
Senior Software Engineer Java Spring Boot Microservices
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D
Java AND Spring Boot AND Microservices NOT intern