185.（2011·福建省福州市八县（市）高三上期中联考）Playing QQ’s “Happy Farm” by planting, watering, fertilizing, spraying, harvesting and selling virtual vegetables, fruits and flowers, we can find out _____ all the excitement is about.
A. that B. if
C. what D. when
186.（2011·福建南安一中高三期中）The one concern for parents and students is _______ the student pursues their university education in a foreign country, the student will not have the opportunity to establish social contacts in China.
A. that B. that if
C. whether D. how
