What check does the Senate have on the president's selection of cabinet members?

The Senate's check on the president's selection of cabinet members is that they must confirm cabinet nominations. This process is established in the U.S. Constitution, specifically in Article II, Section 2, which states that the president shall nominate officials, including cabinet members, but these nominations require the advice and consent of the Senate. This means that after the president selects a nominee for a cabinet position, the Senate holds hearings to review the nominee's qualifications and then votes on whether to confirm or reject the nomination. This function serves as a critical check and balance within the federal government, ensuring that cabinet members are vetted and approved by the legislative branch before they can assume their roles.

The other choices do not accurately reflect this specific constitutional check; for instance, the Senate does not have the authority to approve executive orders or recommend nominees, nor can they revoke cabinet appointments once confirmed. Instead, their role is centered around the confirmation process to maintain a balance of power between the executive and legislative branches.