题目

Touch is one of the most important of our five senses. It is one of the first senses we develop. One of the most commonly accepted forms of touch among people is also one of the first experiences we have in the world-A hug !There is no better way to understand the importance of hugs than to lose them. For those who have experienced the loss of hugs ,you will know how important they are to share.A recent research has shown that when people hug , the brain releases(释放)the chemical which increases our willingness to trust and reduces fear. It has also shown that hugs are great for your heart.—What’s the best way to reach you if I have a question during the day?—I'm glad you ________. It’s best if you send me an email.A. ask B. had askedC. asked D. were asking