【C18】A．asB．uponC．ofD．at

【C3】A．inB．forC．ofD．at

A．DuringB．UponC．At

【C19】A．as well asB．in contrast toC．instead ofD．rather than

【C8】A．asB．foxC．withD．at

【C18】A．fleets ofB．swarms ofC．flocks ofD．clusters of

【C17】A．As well asB．WithC．OfD．Such as