英语单选 解释一下. It is easy to be grateful for the good things, _____ a life of rich fulfillment comes to those who are also thankful for the setbacks.A. that B. which C. while D. when Had it been possible,I would have gone to visit my u

x��W[S��+�OI��ƻ�$Y�*.�K����1BS %�U��`��"��`d0F��@�x�{FO��n�l��%U�J�R�fN���w�>�o�p�W�<��t��?z�|�q��[]��p�Y1f�i�و�ƢF�N�YЎ�x�Ń�i�}���V�dv�E�@�aw� �'�H�� 3F��!;f�D�fF�dF8F"#2�k:f�G��xL��i1�th�I6(��&cC�dF��eV1�eҎŬ��� ��=e!� 5b���6NL�����~|��_�A$V�!�I+n����8~���P����&-s�����H<�xBp&=�>zˆ�_uc��<�K״�{ӈ&y����)��(dFY̎�� !�-�CX���5 �4�6a�is[1�t�c#SQ�"8"�`��x���6��Z �l&�pP�L��􉰂V�� ��l��@S�=*�V�_P0����������.H�M�?��5���8�d�h�ȴ�'n�i0c1c1�� Ǵ=�Ҝ�����8-NF���:�N�8rf����E ��� c���Y��_��l̂�%��ل�l%(�a � EN;����42�GI#�K
L���H�j�F�u_$�{�����'����狘wz*�{��������lP��t��s ��Mg��5�v����JI�W��!ϗ�[.h2@��؊P䖛�,�B�9[������Gos�c���kH�ukb6�!�t�p��@jo��[�GRx~�˝��u�C�Y��|�)���Y��ڛ1�=a�r���x�����
W1�ߧ�ٍX_ѽ�+�YԼ�y���U�{�b׭�/߸�-���Efݽ��Y^^' Gm�d��H��W�șŪ��)��hq^����lQ� b�J83-@߾��H �W�ٺ&RKb�T�~�[�x��8���䔫|_ͭ�K�3|����HGjl�������W0�qv w͵�j�,)�e(�+�����.���� /���9/�Ps P�oOV�n��V�����UJ�T`H�n=+*Y����p�KE]q�����9p��N��/�dt�9:ح�ޤ��H�ݺO�9��@4����S�I�9�� �Tr�� ����9?<�+�'��C���6D�;��^a���.}�6��Bq�3})��6t|k������?�E�����' І�T*������?�i�y�&
�� "�^ �P]Go�ԜY
���
N,����� UQ����关���c~���(�~��#�t���nc߯���֘�8�� /}�J�|5�L�U��r����9��U�(X�T�:s�Y���Z��@�I��:��t�Vo����'75^��꾩ۥ��LW��+�~ n�Z�m�^kTR�|)�W���[����~cK�Kzs���7x� ��(y�/A�[��)��Il҈�28��?ԯ���OΌ�l���wX��l�r��ّ�O�x(�;���ne7h�{(E���?�E�o���_���ƽY�y]
��
��l�Q�+7겣����N�RĢ�(@�`�#��<ԨY�MuFE��iۭ��RoYD`�(�4���^!�<¾:��I�d\���_��Mί ]|������DQ~C�3 �d�֒�.��|�ń���B�q�H�伤1u��[� \�e�,a7�����a�QnU���T�E���7bw�� {'�#�+�T1�`���34���V���E���^Nih��WI�Z�GT�a���[ ��.���֖��*Mo�bG�c**�HJS�u6�蟯��ԝ���-o�=Cjj.���?�����*��ܔ�Yy�����)j���/y��k��1������|���v~�J(vOz��{��