<span>the expectation that a king gives gifts to his thanes</span>
I'm pretty sure it's true, there might be a thing or 2 they missed the first time around
I would definitely go with B because a subjunctive is an realist mood (one that does not refer directly to what is necessarily real) – it is often contrasted with the indicative, which is a realist mood. Subjunctives occur most often, although not exclusively, in subordinate clauses, particularly that-clauses.
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The answer is "A" because of they were saying that they "were" reading on the plane. which is progressive tense.<span />