Although most of the people view hardships as bitter experiences,

hardships are sometimes helpful__they forec people to become stronger and more active.
A.by which B.to which C.in that D.so that
句意是什么，解释一下

although most...... MOST OF和MOST Most / Most of 用although造句~~ Although the accountant ptomised Although cultural differences are 为什么选ALTHOUGH although的用法 although什么意思