Your diet is not as healthy as mine, I'm afraid. I eat ______ vegetables and ______ meat than you do. [ ]

A. a lot of, a little

B. fewer, more

C. less, fewer

D. more, less

反渗透设备停用5天以上，最好用（）冲洗后再投用，若停用两周或更长时间时，需用（）浸泡，以防止微生物在膜中生长。