Question

Though silk ________ soft and cool, it's difficult to be taken care of.

1. A.
   is feeling
2. B.
   feels
3. C.
   has felt
4. D.
   is felt

Answer 1

B
點撥：題意為“雖然蠶絲摸起來又軟又涼，但是……”，feel起系動詞作用，A，C和D項的時態和語態不符。