【C3】A．whicheverB．whateverC．whichD．that

【C12】A．whatB．whyC．whichD．that

【C8】A．themB．thoseC．whichD．that

【C6】A．whenB．whereC．whichD．that

【C6】A．thatB．asC．whichD．as that

【C3】A．thoseB．onesC．whichD．what

【C10】A．whenB．whereC．whichD．that