FRUST-frust

Now im in module 4, the past 3 modules, i got 4 A , severel B, and one C..
Ok la kan??but im so frustated, my cgpa xnaik2 pun lagi.....still below 3....so sad...i dont knw waht happen...my mistaken or others....every mid term and final exam...i have tried so hard,even that subject not my favourite...(im kind like ocding)but my cgpa still not average...i dont know wht to say...im stupid or waht? This july im gonna take my second time paper...for C++ .actually im passed but i just want tke back for average my cgpa...i got c for c++ coz my assignment lost without knowing, lecture do not asked me anythig....can u believed??two of my assignment lost....rubbish...im not stupid( not submitted my assignment.)....
For this module...i already finished my mid term exam last friday.....i have try my best....and i want do my best for my final too....wish me luck...